el=""> 55 
+---
56 
+
57 
+On Ubuntu and other systems that use the apt package manager, you can install Geany in one line:
58 
+
59 
+    $ sudo apt-get install geany
60 
+
61 
+If this doesn't work, you can see the instructions at [http://geany.org/Download/ThirdPartyPackages/](http://geany.org/Download/ThirdPartyPackages/).
62 
+
63 
+[top](#)
64 
+
65 
+<a name='configuring_geany'></a>
66 
+### Configuring Geany
67 
+
68 
+If you use the simple command `python` to start a terminal session on your system, you shouldn't have to configure Geany at all. But if you use a command like `python3` or `python3.5`, you'll have to modify Geany slightly so it uses the correct version of Python to run your programs.
69 
+
70 
+Open an empty file and save it as *hello_world.py*. The file should have one line in it:
71 
+
72 
+    print("Hello Python world!")
73 
+
74 
+Go to **Build>Set Build Commands**. You should see the word *Compile*, and a command next to the word *Compile*. Change this to
75 
+
76 
+    python3 -m py_compile "%f"
77 
+
78 
+If you use a command like `python3.5`, make sure you use that command instead.
79 
+
80 
+Next to the word *Execute*, enter the following command:
81 
+
82 
+    python3 "%f"
83 
+
84 
+Again, if you use a command like `python3.5`, make sure you use that command.
85 
+
86 
+Now you can run programs by selecting **Build>Execute**, clicking the Execute icon with a set of gears on it, or by pressing **F5**.
87 
+
88 
+[top](#)
89 
+
90 
+
91 
+

+ 93 - 0
chapter_01/osx_setup.md
View File 

@@ -0,0 +1,93 @@
1 
+Setup Instructions: OS X
2 
+===
3 
+
4 
+- [Checking your current version of Python](#current_version)
5 
+- [Installing Python 3.5](#python3.5)
6 
+- [Installing Sublime Text](#installing_st)
7 
+    - [Configuring Sublime Text](#configuring_st)
8 
+
9 
+<a name='current_version'></a>Checking your current version of Python
10 
+---
11 
+
12 
+Python is probably already installed on your system. To check if it's installed, go to **Applications>Utilities** and click on **Terminal**. (You can also press command-spacebar, type *terminal*, and then press Enter.)
13 
+
14 
+Find out which version of Python is installed by issuing the command `python --version`:
15 
+
16 
+    $ python --version
17 
+    Python 2.7.5
18 
+
19 
+If you see something like this, Python 2.7 is your default version. You should also see if you have Python 3 installed:
20 
+
21 
+    $ python3 --version
22 
+    Python 3.4.0
23 
+
24 
+If you have Python 3.4 or later, it's fine to start out by using the installed version. If you have Python 3.3 or earlier, it's probably worth installing Python 3.5.
25 
+
26 
+[top](#)
27 
+
28 
+<a name='python3.5'></a>Installing Python 3.5
29 
+---
30 
+
31 
+Install [Homebrew](http://brew.sh/), which makes it easy to install the most recent version of Python. Start out by installing some of Apple's xcode tools:
32 
+
33 
+    $ xcode-select --install
34 
+
35 
+The installation may take a while, depending on the speed of your connection. Next, install Homebrew:
36 
+
37 
+    $ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
38 
+
39 
+If you run the command **brew doctor**, you can verify that the installation was successful:
40 
+
41 
+    $ brew doctor
42 
+    Your system is ready to brew.
43 
+
44 
+Now you can install Python packages through Homebrew. To install Python 3, enter the following command:
45 
+
46 
+    $ brew install python3
47 
+
48 
+You can verify that Python 3 was installed correctly:
49 
+
50 
+    $ python3 --version
51 
+    Python 3.5.0
52 
+
53 
+You'll use the **python3** command when you configure your text editor, when you start a Python terminal session, and when you run programs from the terminal.
54 
+
55 
+[top](#)
56 
+
57 
+<a name='installing_st'></a>Installing Sublime Text
58 
+---
59 
+
60 
+You can download an installer for Sublime Text by clicking on the OS X link at [http://www.sublimetext.com/3](http://www.sublimetext.com/3). Sublime Text has a liberal licensing policy; it's free as long as you want to use it, but the author requests that you purchase a license if you like the program and want to continue using it.
61 
+
62 
+After you've downloaded the installer, open it and then drag the Sublime Text icon into your *Applications* folder.
63 
+
64 
+[top](#)
65 
+
66 
+<a name='configuring_st'></a>
67 
+### Configuring Sublime Text for Python 3
68 
+
69 
+If you use the simple command `python` to start a terminal session on your system, you shouldn't have to configure Sublime Text at all. But if you use a command like `python3` or `python3.5`, you'll have to modify Sublime Text slightly so it uses the correct version of Python to run your programs.
70 
+
71 
+Find the path to your Python interpreter:
72 
+
73 
+    $ type -a python3
74 
+    python3 is /usr/local/bin/python3
75 
+
76 
+Open an empty file in Sublime Text and save it as *hello_world.py*. The file should have one line in it:
77 
+
78 
+    print("Hello Python world!")
79 
+
80 
+Go to **Tools>Build System>New Build System**, which will open a new configuration file. Delete what you see, and enter the following:
81 
+
82 
+    {
83 
+        "cmd": ["/usr/local/bin/python3", "-u", "$file"],
84 
+    }
85 
+
86 
+This tells Sublime Text to use your system's **python3** command when running programs. Make sure you use the path you found when running **type -a python3**, not necessarily the path you see here. Save the file as *Python3.sublime-build* in the directory that Sublime Text opens when you choose Save.
87 
+
88 
+Now you can run programs by selecting **Build>Execute**, clicking the Execute icon with a set of gears on it, or by pressing **F5**.
89 
+
90 
+[top](#)
91 
+
92 
+
93 
+

+ 0 - 0
chapter_01/untitled
View File


+ 106 - 0
chapter_01/windows_setup.md
View File 

@@ -0,0 +1,106 @@
1 
+Setup Instructions: Windows
2 
+===
3 
+
4 
+- [Checking your current version of Python](#current_version)
5 
+- [Installing Python 3.5](#python3.5)
6 
+- [Adding Python to Your Path Variable](#path_variable)
7 
+- [Installing Geany](#installing_geany)
8 
+    - [Configuring Geany](#configuring_geany)
9 
+
10 
+<a name='current_version'></a>Checking your current version of Python
11 
+---
12 
+
13 
+Python may already installed on your system. Open a command window by right-clicking on the Desktop while holding the shift key, and then select "Open Command Window Here". You can also search for "command" in the task bar. Find out which version is your default by issuing the command `python --version`:
14 
+
15 
+    > python --version
16 
+    Python 2.7.6
17 
+
18 
+If you see something like this, Python 2.7 is your default version. You should also see if you have Python 3 installed:
19 
+
20 
+    > python3 --version
21 
+    Python 3.4.0
22 
+
23 
+If you have Python 3.4 or later, it's fine to start out by using the installed version. If you have Python 3.3 or earlier, it's probably worth installing Python 3.5.
24 
+
25 
+If you get an error message for both of these commands, Python is not installed on your system, and you should install Python 3.5.
26 
+
27 
+[top](#)
28 
+
29 
+<a name='python3.5'></a>Installing Python 3.5
30 
+---
31 
+
32 
+Go to [https://www.python.org/downloads/](https://www.python.org/downloads/) and click the button labeled "Download Python 3.5". Download the installer, and when you run it make sure to check the *Add Python to PATH* option:
33 
+
34 
+![Add Python to PATH box checked](figures/crash_course01-02.png)
35 
+
36 
+Checking this button ensures that you'll be able to use the simple command **python**. If you missed this step, see [Adding Python to Your Path Variable](#path_variable).
37 
+
38 
+You can confirm that the installation was successful:
39 
+
40 
+    > python --version
41 
+    Python 3.5.0
42 
+
43 
+Now to start a Python terminal session, you'll use the command `python`:
44 
+
45 
+    > python
46 
+    Python 3.5.0 (v3.5.0:374f501f4567, Sep 13 2015, 02:16:59) [MSC v.1900 32 bit (Intel)] on win32
47 
+    Type "help", "copyright", "credits" or "license" for more information.
48 
+    >>>
49 
+
50 
+You'll use this command when you configure your text editor, and when you run programs from the terminal.
51 
+
52 
+[top](#)
53 
+
54 
+<a name='path_variable'></a>Adding Python to Your Path Variable
55 
+---
56 
+If you checked *Add Python to PATH* when you installed Python and the command **python** works, you can skip this step.
57 
+
58 
+To find the path to Python on your system, open Windows Explorer and look in your C:\ drive. Look for a folder starting with *Python*; you might need to enter *python* in the Windows Explorer search bar to find the right folder. Open the folder, and look for a file with the lowercase name *python*. Right-click this file and choose **Properties**; you'll then see the path to this file under the heading Location.
59 
+
60 
+In a terminal window, use the path to confirm the version you just installed:
61 
+
62 
+    > C:\\Python35\python --version
63 
+    Python 3.5.0
64 
+
65 
+Open your system's **Control Panel**, choose **System and Security**, and then choose **System**. Click **Advanced System Settings*, and in the window that pops up click **Environment Variables**.
66 
+
67 
+In the box labeled *System variables*, look for a variable called `Path`. Click **Edit**. In the box that pops up, click in the box labeled *Variable Value* and use the right arrow key to scroll all the way to the right. Be careful not to write over the existing variable; if you do, click Cancel and try again. Add a semicolon and the path to your *python.exe* file to the existing variable:
68 
+
69 
+    %SystemRoot%\system32\...\System32\WindowsPowerShell\v1.0\;C:\Python35
70 
+
71 
+Close any existing terminal windows, and open a new one. Now when you enter **python --version**, you should see the version of Python you just set in your `Path` variable. You can now start a Python terminal session by just entering **python** at a command prompt.
72 
+
73 
+<a name='installing_geany'></a>Installing Geany
74 
+---
75 
+
76 
+You can download a Windows installer for Geany from [http://www.geany.org/Download/Releases](http://www.geany.org/Download/Releases). Download and run the installer called *geany-1.25_setup.exe*, accepting all the defaults.
77 
+
78 
+[top](#)
79 
+
80 
+<a name='configuring_geany'></a>
81 
+### Configuring Geany
82 
+
83 
+If you use the simple command `python` to start a terminal session on your system, you shouldn't have to configure Geany at all. But if you use a command like `python3` or a full path like `C:\Python35\python` to start a terminal session, you'll have to modify Geany slightly so it uses the correct version of Python to run your programs.
84 
+
85 
+Open an empty file and save it as *hello_world.py*. The file should have one line in it:
86 
+
87 
+    print("Hello Python world!")
88 
+
89 
+Go to **Build>Set Build Commands**. You should see the word *Compile*, and a command next to the word *Compile*. Change this to
90 
+
91 
+    python3 -m py_compile "%f"
92 
+
93 
+You can also use a full path in this setting, such as `C:\Python35\python -m py_compile "%f"`.
94 
+
95 
+Next to the word *Execute*, enter the following command:
96 
+
97 
+    python3 "%f"
98 
+
99 
+Again, you can use a full path, such as `C:\Python35\python "%f"`.
100 
+
101 
+Now you can run programs by selecting **Build>Execute**, clicking the Execute icon with a set of gears on it, or by pressing **F5**.
102 
+
103 
+[top](#)
104 
+
105 
+
106 
+

+ 2 - 0
chapter_02/apostrophe.py
View File 

@@ -0,0 +1,2 @@
1 
+message = "One of Python's strengths is its diverse community."
2 
+print(message)

+ 4 - 0
chapter_02/birthday.py
View File 

@@ -0,0 +1,4 @@
1 
+age = 23
2 
+message = "Happy " + str(age) + "rd Birthday!"
3 
+
4 
+print(message)

+ 2 - 0
chapter_02/comment.py
View File 

@@ -0,0 +1,2 @@
1 
+# Say hello to everyone.
2 
+print("Hello Python people!")

+ 5 - 0
chapter_02/hello_world.py
View File 

@@ -0,0 +1,5 @@
1 
+message = "Hello Python world!"
2 
+print(message)
3 
+
4 
+message = "Hello Python Crash Course world!"
5 
+print(message)

+ 6 - 0
chapter_02/name.py
View File 

@@ -0,0 +1,6 @@
1 
+first_name = "ada"
2 
+last_name = "lovelace"
3 
+full_name = first_name + " " + last_name
4 
+
5 
+message = "Hello, " + full_name.title() + "!"
6 
+print(message)

+ 4 - 0
chapter_03/bicycles.py
View File 

@@ -0,0 +1,4 @@
1 
+bicycles = ['trek', 'cannondale', 'redline', 'specialized']
2 
+message = "My first bicycle was a " + bicycles[0].title() + "."
3 
+
4 
+print(message)

+ 13 - 0
chapter_03/cars.py
View File 

@@ -0,0 +1,13 @@
1 
+cars = ['bmw', 'audi', 'toyota', 'subaru']
2 
+
3 
+print("Here is the original list:")
4 
+print(cars)
5 
+
6 
+print("\nHere is the sorted list:")
7 
+print(sorted(cars))
8 
+
9 
+print("\nHere is the reverse alphabetical list:")
10 
+print(sorted(cars, reverse=True))
11 
+
12 
+print("\nHere is the original list again:")
13 
+print(cars)

+ 7 - 0
chapter_03/motorcycles.py
View File 

@@ -0,0 +1,7 @@
1 
+motorcycles = ['honda', 'yamaha', 'suzuki', 'ducati']
2 
+print(motorcycles)
3 
+
4 
+too_expensive = 'ducati'
5 
+motorcycles.remove(too_expensive)
6 
+print(motorcycles)
7 
+print("\nA " + too_expensive.title() + " is too expensive for me.")

+ 9 - 0
chapter_04/dimensions.py
View File 

@@ -0,0 +1,9 @@
1 
+dimensions = (200, 50)
2 
+print("Original dimensions:")
3 
+for dimension in dimensions:
4 
+    print(dimension)
5 
+
6 
+dimensions = (400, 100)
7 
+print("\nModified dimensions:")
8 
+for dimension in dimensions:
9 
+    print(dimension)

+ 2 - 0
chapter_04/even_numbers.py
View File 

@@ -0,0 +1,2 @@
1 
+even_numbers = list(range(2,11,2))
2 
+print(even_numbers)

+ 11 - 0
chapter_04/foods.py
View File 

@@ -0,0 +1,11 @@
1 
+my_foods = ['pizza', 'falafel', 'carrot cake']
2 
+friend_foods = my_foods[:]
3 
+
4 
+my_foods.append('cannoli')
5 
+friend_foods.append('ice cream')
6 
+
7 
+print("My favorite foods are:")
8 
+print(my_foods)
9 
+
10 
+print("\nMy friend's favorite foods are:")
11 
+print(friend_foods)

+ 6 - 0
chapter_04/magicians.py
View File 

@@ -0,0 +1,6 @@
1 
+magicians = ['alice', 'david', 'carolina']
2 
+for magician in magicians:
3 
+    print(magician.title() + ", that was a great trick!")
4 
+    print("I can't wait to see your next trick, " + magician.title() + ".\n")
5 
+
6 
+print("Thank you everyone, that was a great magic show!")

+ 2 - 0
chapter_04/numbers.py
View File 

@@ -0,0 +1,2 @@
1 
+numbers = list(range(1,6))
2 
+print(numbers)

+ 5 - 0
chapter_04/players.py
View File 

@@ -0,0 +1,5 @@
1 
+players = ['charles', 'martina', 'michael', 'florence', 'eli']
2 
+
3 
+print("Here are the first three players on my team:")
4 
+for player in players[:3]:
5 
+    print(player.title())

+ 6 - 0
chapter_04/squares.py
View File 

@@ -0,0 +1,6 @@
1 
+squares = []
2 
+for value in range(1,11):
3 
+    square = value**2
4 
+    squares.append(square)
5 
+
6 
+print(squares)

+ 12 - 0
chapter_05/amusement_park.py
View File 

@@ -0,0 +1,12 @@
1 
+age = 12
2 
+
3 
+if age < 4:
4 
+    price = 0
5 
+elif age < 18:
6 
+    price = 5
7 
+elif age < 65:
8 
+    price = 10
9 
+elif age >= 65:
10 
+    price = 5
11 
+
12 
+print("Your admission cost is $" + str(price) + ".")

+ 5 - 0
chapter_05/banned_users.py
View File 

@@ -0,0 +1,5 @@
1 
+banned_users = ['andrew', 'carolina', 'david']
2 
+user = 'marie'
3 
+
4 
+if user not in banned_users:
5 
+    print(user.title() + ", you can post a response if you wish.")

+ 7 - 0
chapter_05/cars.py
View File 

@@ -0,0 +1,7 @@
1 
+cars = ['audi', 'bmw', 'subaru', 'toyota']
2 
+
3 
+for car in cars:
4 
+    if car == 'bmw':
5 
+        print(car.upper())
6 
+    else:
7 
+        print(car.title())

+ 4 - 0
chapter_05/magic_number.py
View File 

@@ -0,0 +1,4 @@
1 
+answer = 17
2 
+
3 
+if answer != 42:
4 
+    print("That is not the correct answer. Please try again!")

+ 12 - 0
chapter_05/toppings.py
View File 

@@ -0,0 +1,12 @@
1 
+available_toppings = ['mushrooms', 'olives', 'green peppers',
2 
+                      'pepperoni', 'pineapple', 'extra cheese']
3 
+
4 
+requested_toppings = ['mushrooms', 'french fries', 'extra cheese']
5 
+
6 
+for requested_topping in requested_toppings:
7 
+    if requested_topping in available_toppings:
8 
+        print("Adding " + requested_topping + ".")
9 
+    else:
10 
+        print("Sorry, we don't have " + requested_topping + ".")
11 
+
12 
+print("\nFinished making your pizza!")

+ 7 - 0
chapter_05/voting.py
View File 

@@ -0,0 +1,7 @@
1 
+age = 17
2 
+if age >= 18:
3 
+    print("You are old enough to vote!")
4 
+    print("Have you registered to vote yet?")
5 
+else:
6 
+    print("Sorry, you are too young to vote.")
7 
+    print("Please register to vote as soon as you turn 18!")

+ 17 - 0
chapter_06/alien.py
View File 

@@ -0,0 +1,17 @@
1 
+alien_0 = {'x_position': 0, 'y_position': 25, 'speed': 'medium'}
2 
+print("Original position: " + str(alien_0['x_position']))
3 
+
4 
+# Move the alien to the right.
5 
+# Figure out how far to move the alien based on its speed.
6 
+if alien_0['speed'] == 'slow':
7 
+    x_increment = 1
8 
+elif alien_0['speed'] == 'medium':
9 
+    x_increment = 2
10 
+else:
11 
+    # This must be a fast alien.
12 
+    x_increment = 3
13 
+
14 
+# The new position is the old position plus the increment.
15 
+alien_0['x_position'] = alien_0['x_position'] + x_increment
16 
+
17 
+print("New position: " + str(alien_0['x_position']))

+ 22 - 0
chapter_06/aliens.py
View File 

@@ -0,0 +1,22 @@
1 
+# Make an empty list for storing aliens.
2 
+aliens = []
3 
+
4 
+# Make 30 green aliens.
5 
+for alien_number in range (0,30):
6 
+    new_alien = {'color': 'green', 'points': 5, 'speed': 'slow'}
7 
+    aliens.append(new_alien)
8 
+
9 
+for alien in aliens[0:3]:
10 
+    if alien['color'] == 'green':
11 
+        alien['color'] = 'yellow'
12 
+        alien['speed'] = 'medium'
13 
+        alien['points'] = 10
14 
+    elif alien['color'] == 'yellow':
15 
+        alien['color'] = 'red'
16 
+        alien['speed'] = 'fast'
17 
+        alien['points'] = 15
18 
+
19 
+# Show the first 5 aliens:
20 
+for alien in aliens[0:5]:
21 
+    print(alien)
22 
+print("...")

+ 10 - 0
chapter_06/favorite_languages.py
View File 

@@ -0,0 +1,10 @@
1 
+favorite_languages = {
2 
+    'jen': 'python',
3 
+    'sarah': 'c',
4 
+    'edward': 'ruby',
5 
+    'phil': 'python',
6 
+    }
7 
+
8 
+for name, language in favorite_languages.items():
9 
+    print(name.title() + "'s favorite language is " +
10 
+        language.title() + ".")

+ 15 - 0
chapter_06/many_users.py
View File 

@@ -0,0 +1,15 @@
1 
+users = {'aeinstein': {'first': 'albert',
2 
+                       'last': 'einstein',
3 
+                       'location': 'princeton'},
4 
+         'mcurie': {'first': 'marie',
5 
+                    'last': 'curie',
6 
+                    'location': 'paris'},
7 
+         }
8 
+
9 
+for username, user_info in users.items():
10 
+    print("\nUsername: " + username)
11 
+    full_name = user_info['first'] + " " + user_info['last']
12 
+    location = user_info['location']
13 
+
14 
+    print("\tFull name: " + full_name.title())
15 
+    print("\tLocation: " + location.title())

+ 12 - 0
chapter_06/pizza.py
View File 

@@ -0,0 +1,12 @@
1 
+# Store information about a pizza being ordered.
2 
+pizza = {
3 
+    'crust': 'thick',
4 
+    'toppings': ['mushrooms', 'extra cheese'],
5 
+    }
6 
+
7 
+# Summarize the order.
8 
+print("You ordered a " + pizza['crust'] + "-crust pizza " +
9 
+      "with the following toppings:")
10 
+
11 
+for topping in pizza['toppings']:
12 
+    print("\t" + topping)

+ 8 - 0
chapter_06/user.py
View File 

@@ -0,0 +1,8 @@
1 
+user_0 = {'username': 'efermi',
2 
+          'first': 'enrico',
3 
+          'last': 'fermi',
4 
+          }
5 
+
6 
+for key, value in user_0.items():
7 
+    print("\nKey: " + key)
8 
+    print("Value: " + value)

+ 10 - 0
chapter_07/cities.py
View File 

@@ -0,0 +1,10 @@
1 
+prompt = "\nPlease tell me a city you have visited:"
2 
+prompt += "\n(Enter 'quit' when you are finished.) "
3 
+
4 
+while True:
5 
+    city = input(prompt)
6 
+
7 
+    if city == 'quit':
8 
+        break
9 
+    else:
10 
+        print("I'd love to go to " + city.title() + "!")

+ 17 - 0
chapter_07/confirmed_users.py
View File 

@@ -0,0 +1,17 @@
1 
+# Start out with some users that need to be verified,
2 
+#  and an empty list to hold confirmed users.
3 
+unconfirmed_users = ['alice', 'brian', 'candace']
4 
+confirmed_users = []
5 
+
6 
+# Verify each user, until there are no more unconfirmed users.
7 
+#  Move each verified user into the list of confirmed users.
8 
+while unconfirmed_users:
9 
+    current_user = unconfirmed_users.pop()
10 
+
11 
+    print("Verifying user: " + current_user.title())
12 
+    confirmed_users.append(current_user)
13 
+
14 
+# Display all confirmed users.
15 
+print("\nThe following users have been confirmed:")
16 
+for confirmed_user in confirmed_users:
17 
+    print(confirmed_user.title())

+ 4 - 0
chapter_07/counting.py
View File 

@@ -0,0 +1,4 @@
1 
+current_number = 1
2 
+while current_number <= 5:
3 
+    print(current_number)
4 
+    current_number += 1

+ 7 - 0
chapter_07/even_or_odd.py
View File 

@@ -0,0 +1,7 @@
1 
+number = input("Enter a number, and I'll tell you if it's even or odd: ")
2 
+number = int(number)
3 
+
4 
+if number % 2 == 0:
5 
+    print("\nThe number " + str(number) + " is even.")
6 
+else:
7 
+    print("\nThe number " + str(number) + " is odd.")

+ 5 - 0
chapter_07/greeter.py
View File 

@@ -0,0 +1,5 @@
1 
+prompt = "If you tell us who you are, we can personalize the messages you see."
2 
+prompt += "\nWhat is your first name? "
3 
+
4 
+name = input(prompt)
5 
+print("\nHello, " + name + "!")

+ 22 - 0
chapter_07/mountain_poll.py
View File 

@@ -0,0 +1,22 @@
1 
+responses = {}
2 
+
3 
+# Set a flag to indicate that polling is active.
4 
+polling_active = True
5 
+
6 
+while polling_active:
7 
+    # Prompt for the person's name and response.
8 
+    name = input("\nWhat is your name? ")
9 
+    response = input("Which mountain would you like to climb someday? ")
10 
+
11 
+    # Store the response in the dictionary:
12 
+    responses[name] = response
13 
+
14 
+    # Find out if anyone else is going to take the poll.
15 
+    repeat = input("Would you like to let another person respond? (yes/ no) ")
16 
+    if repeat == 'no':
17 
+        polling_active = False
18 
+
19 
+# Polling is complete. Show the results.
20 
+print("\n--- Poll Results ---")
21 
+for name, response in responses.items():
22 
+    print(name + " would like to climb " + response + ".")

+ 11 - 0
chapter_07/parrot.py
View File 

@@ -0,0 +1,11 @@
1 
+prompt = "\nTell me something, and I will repeat it back to you:"
2 
+prompt += "\nEnter 'quit' to end the program. "
3 
+
4 
+active = True
5 
+while active:
6 
+    message = input(prompt)
7 
+
8 
+    if message == 'quit':
9 
+        active = False
10 
+    else:
11 
+        print(message)

+ 7 - 0
chapter_07/pets.py
View File 

@@ -0,0 +1,7 @@
1 
+pets = ['dog', 'cat', 'dog', 'goldfish', 'cat', 'rabbit', 'cat']
2 
+print(pets)
3 
+
4 
+while 'cat' in pets:
5 
+    pets.remove('cat')
6 
+
7 
+print(pets)

+ 7 - 0
chapter_07/rollercoaster.py
View File 

@@ -0,0 +1,7 @@
1 
+height = input("How tall are you, in inches? ")
2 
+height = int(height)
3 
+
4 
+if height >= 36:
5 
+    print("\nYou're tall enough to ride!")
6 
+else:
7 
+    print("\nYou'll be able to ride when you're a little older.")

+ 13 - 0
chapter_08/formatted_name.py
View File 

@@ -0,0 +1,13 @@
1 
+def get_formatted_name(first_name, last_name, middle_name=''):
2 
+    """Return a full name, neatly formatted."""
3 
+    if middle_name:
4 
+        full_name = first_name + ' ' +  middle_name + ' ' + last_name
5 
+    else:
6 
+        full_name = first_name + ' ' + last_name
7 
+    return full_name.title()
8 
+
9 
+musician = get_formatted_name('jimi', 'hendrix')
10 
+print(musician)
11 
+
12 
+musician = get_formatted_name('john', 'hooker', 'lee')
13 
+print(musician)

+ 8 - 0
chapter_08/greet_users.py
View File 

@@ -0,0 +1,8 @@
1 
+def greet_users(names):
2 
+    """Print a simple greeting to each user in the list."""
3 
+    for name in names:
4 
+        msg = "Hello, " + name.title() + "!"
5 
+        print(msg)
6 
+
7 
+usernames = ['hannah', 'ty', 'margot']
8 
+greet_users(usernames)

+ 5 - 0
chapter_08/greeter.py
View File 

@@ -0,0 +1,5 @@
1 
+def greet_user(username):
2 
+    """Display a simple greeting."""
3 
+    print("Hello, " + username.title() + "!")
4 
+
5 
+greet_user('jesse')

+ 4 - 0
chapter_08/making_pizzas.py
View File 

@@ -0,0 +1,4 @@
1 
+import pizza as p
2 
+
3 
+p.make_pizza(16, 'pepperoni')
4 
+p.make_pizza(12, 'mushrooms', 'green peppers', 'extra cheese')

+ 9 - 0
chapter_08/person.py
View File 

@@ -0,0 +1,9 @@
1 
+def build_person(first_name, last_name, age=''):
2 
+    """Return a dictionary of information about a person."""
3 
+    person = {'first': first_name, 'last': last_name}
4 
+    if age:
5 
+        person['age'] = age
6 
+    return person
7 
+
8 
+musician = build_person('jimi', 'hendrix', age=27)
9 
+print(musician)

+ 13 - 0
chapter_08/pets.py
View File 

@@ -0,0 +1,13 @@
1 
+def describe_pet(pet_name, animal_type='dog'):
2 
+    """Display information about a pet."""
3 
+    print("\nI have a " + animal_type + ".")
4 
+    print("My " + animal_type + "'s name is " + pet_name.title() + ".")
5 
+
6 
+# A dog named Willie.
7 
+describe_pet('willie')
8 
+describe_pet(pet_name='willie')
9 
+
10 
+# A hamster named Harry.
11 
+describe_pet('harry', 'hamster')
12 
+describe_pet(pet_name='harry', animal_type='hamster')
13 
+describe_pet(animal_type='hamster', pet_name='harry')

+ 9 - 0
chapter_08/pizza.py
View File 

@@ -0,0 +1,9 @@
1 
+def make_pizza(size, *toppings):
2 
+    """Summarize the pizza we are about to make."""
3 
+    print("\nMaking a " + str(size) +
4 
+          "-inch pizza with the following toppings:")
5 
+    for topping in toppings:
6 
+        print("- " + topping)
7 
+
8 
+make_pizza(16, 'pepperoni')
9 
+make_pizza(12, 'mushrooms', 'green peppers', 'extra cheese')

+ 24 - 0
chapter_08/printing_models.py
View File 

@@ -0,0 +1,24 @@
1 
+def print_models(unprinted_designs, completed_models):
2 
+    """
3 
+    Simulate printing each design, until there are none left.
4 
+    Move each design to completed_models after printing.
5 
+    """
6 
+    while unprinted_designs:
7 
+        current_design = unprinted_designs.pop()
8 
+
9 
+        # Simulate creating a 3d print from the design.
10 
+        print("Printing model: " + current_design)
11 
+        completed_models.append(current_design)
12 
+
13 
+def show_completed_models(completed_models):
14 
+    """Show all the models that were printed."""
15 
+    print("\nThe following models have been printed:")
16 
+    for completed_model in completed_models:
17 
+        print(completed_model)
18 
+
19 
+
20 
+unprinted_designs = ['iphone case', 'robot pendant', 'dodecahedron']
21 
+completed_models = []
22 
+
23 
+print_models(unprinted_designs, completed_models)
24 
+show_completed_models(completed_models)

+ 13 - 0
chapter_08/user_profile.py
View File 

@@ -0,0 +1,13 @@
1 
+def build_profile(first, last, **user_info):
2 
+    """Build a dictionary containing everything we know about a user."""
3 
+    profile = {}
4 
+    profile['first_name'] = first
5 
+    profile['last_name'] = last
6 
+    for key, value in user_info.items():
7 
+        profile[key] = value
8 
+    return profile
9 
+
10 
+user_profile = build_profile('albert', 'einstein',
11 
+                             location='princeton',
12 
+                             field='physics')
13 
+print(user_profile)

+ 34 - 0
chapter_09/car.py
View File 

@@ -0,0 +1,34 @@
1 
+"""A class that can be used to represent a car."""
2 
+
3 
+class Car():
4 
+    """A simple attempt to represent a car."""
5 
+
6 
+    def __init__(self, manufacturer, model, year):
7 
+        """Initialize attributes to describe a car."""
8 
+        self.manufacturer = manufacturer
9 
+        self.model = model
10 
+        self.year = year
11 
+        self.odometer_reading = 0
12 
+
13 
+    def get_descriptive_name(self):
14 
+        """Return a neatly formatted descriptive name."""
15 
+        long_name = str(self.year) + ' ' + self.manufacturer + ' ' + self.model
16 
+        return long_name.title()
17 
+
18 
+    def read_odometer(self):
19 
+        """Print a statement showing the car's mileage."""
20 
+        print("This car has " + str(self.odometer_reading) + " miles on it.")
21 
+
22 
+    def update_odometer(self, mileage):
23 
+        """
24 
+        Set the odometer reading to the given value.
25 
+        Reject the change if it attempts to roll the odometer back.
26 
+        """
27 
+        if mileage >= self.odometer_reading:
28 
+            self.odometer_reading = mileage
29 
+        else:
30 
+            print("You can't roll back an odometer!")
31 
+
32 
+    def increment_odometer(self, miles):
33 
+        """Add the given amount to the odometer reading."""
34 
+        self.odometer_reading += miles

+ 27 - 0
chapter_09/dog.py
View File 

@@ -0,0 +1,27 @@
1 
+class Dog():
2 
+    """A simple attempt to model a dog."""
3 
+
4 
+    def __init__(self, name, age):
5 
+        """Initialize name and age attributes."""
6 
+        self.name = name
7 
+        self.age = age
8 
+
9 
+    def sit(self):
10 
+        """Simulate a dog sitting in response to a command."""
11 
+        print(self.name.title() + " is now sitting.")
12 
+
13 
+    def roll_over(self):
14 
+        """Simulate rolling over in response to a command."""
15 
+        print(self.name.title() + " rolled over!")
16 
+
17 
+
18 
+my_dog = Dog('willie', 6)
19 
+your_dog = Dog('lucy', 3)
20 
+
21 
+print("My dog's name is " + my_dog.name.title() + ".")
22 
+print("My dog is " + str(my_dog.age) + " years old.")
23 
+my_dog.sit()
24 
+
25 
+print("\nMy dog's name is " + your_dog.name.title() + ".")
26 
+print("My dog is " + str(your_dog.age) + " years old.")
27 
+your_dog.sit()

+ 37 - 0
chapter_09/electric_car.py
View File 

@@ -0,0 +1,37 @@
1 
+"""A set of classes that can be used to represent electric cars."""
2 
+
3 
+from car import Car
4 
+
5 
+class Battery():
6 
+    """A simple attempt to model a battery for an electric car."""
7 
+
8 
+    def __init__(self, battery_size=60):
9 
+        """Initialize the batteery's attributes."""
10 
+        self.battery_size = battery_size
11 
+
12 
+    def describe_battery(self):
13 
+        """Print a statement describing the battery size."""
14 
+        print("This car has a " + str(self.battery_size) + "-kWh battery.")
15 
+
16 
+    def get_range(self):
17 
+        """Print a statement about the range this battery provides."""
18 
+        if self.battery_size == 60:
19 
+            range = 140
20 
+        elif self.battery_size == 85:
21 
+            range = 185
22 
+
23 
+        message = "This car can go approximately " + str(range)
24 
+        message += " miles on a full charge."
25 
+        print(message)
26 
+
27 
+
28 
+class ElectricCar(Car):
29 
+    """Models aspects of a car, specific to electric vehicles."""
30 
+
31 
+    def __init__(self, manufacturer, model, year):
32 
+        """
33 
+        Initialize attributes of the parent class.
34 
+        Then initialize attributes specific to an electric car.
35 
+        """
36 
+        super().__init__(manufacturer, model, year)
37 
+        self.battery = Battery()

+ 12 - 0
chapter_09/favorite_languages.py
View File 

@@ -0,0 +1,12 @@
1 
+from collections import OrderedDict
2 
+
3 
+favorite_languages = OrderedDict()
4 
+
5 
+favorite_languages['jen'] = 'python'
6 
+favorite_languages['sarah'] = 'c'
7 
+favorite_languages['edward'] = 'ruby'
8 
+favorite_languages['phil'] = 'python'
9 
+
10 
+for name, language in favorite_languages.items():
11 
+    print(name.title() + "'s favorite language is " +
12 
+        language.title() + ".")

+ 7 - 0
chapter_09/my_car.py
View File 

@@ -0,0 +1,7 @@
1 
+from car import Car
2 
+
3 
+my_new_car = Car('audi', 'a4', 2015)
4 
+print(my_new_car.get_descriptive_name())
5 
+
6 
+my_new_car.odometer_reading = 23
7 
+my_new_car.read_odometer()

+ 8 - 0
chapter_09/my_cars.py
View File 

@@ -0,0 +1,8 @@
1 
+from car import Car
2 
+from electric_car import ElectricCar
3 
+
4 
+my_beetle = Car('volkswagen', 'beetle', 2015)
5 
+print(my_beetle.get_descriptive_name())
6 
+
7 
+my_tesla = ElectricCar('tesla', 'roadster', 2015)
8 
+print(my_tesla.get_descriptive_name())

+ 13 - 0
chapter_10/alice.py
View File 

@@ -0,0 +1,13 @@
1 
+filename = 'alice.txt'
2 
+
3 
+try:
4 
+    with open(filename, encoding='utf-8') as f_obj:
5 
+        contents = f_obj.read()
6 
+except FileNotFoundError as e:
7 
+    msg = "Sorry, the file " + filename + " does not exist."
8 
+    print(msg)
9 
+else:
10 
+    # Count the approximate number of words in the file.
11 
+    words = contents.split()
12 
+    num_words = len(words)
13 
+    print("The file " + filename + " has about " + str(num_words) + " words.")

File diff suppressed because it is too large
+ 3735 - 0
chapter_10/alice.txt


+ 14 - 0
chapter_10/division.py
View File 

@@ -0,0 +1,14 @@
1 
+print("Give me two numbers, and I'll divide them.")
2 
+print("Enter 'q' to quit.")
3 
+
4 
+while True:
5 
+    first_number = input("\nFirst number: ")
6 
+    if first_number == 'q':
7 
+        break
8 
+    second_number = input("Second number: ")
9 
+    try:
10 
+        answer = int(first_number) / int(second_number)
11 
+    except ZeroDivisionError:
12 
+        print("You can't divide by 0!")
13 
+    else:
14 
+        print(answer)

+ 7 - 0
chapter_10/file_reader.py
View File 

@@ -0,0 +1,7 @@
1 
+filename = 'pi_digits.txt'
2 
+
3 
+with open(filename) as file_object:
4 
+    lines = file_object.readlines()
5 
+
6 
+for line in lines:
7 
+    print(line.rstrip())

+ 7 - 0
chapter_10/greet_user.py
View File 

@@ -0,0 +1,7 @@
1 
+import json
2 
+
3 
+filename = 'username.json'
4 
+
5 
+with open(filename) as f_obj:
6 
+    username = json.load(f_obj)
7 
+    print("Welcome back, " + username + "!")

File diff suppressed because it is too large
+ 21022 - 0
chapter_10/little_women.txt


File diff suppressed because it is too large
+ 22108 - 0
chapter_10/moby_dick.txt


+ 7 - 0
chapter_10/number_reader.py
View File 

@@ -0,0 +1,7 @@
1 
+import json
2 
+
3 
+filename = 'numbers.json'
4 
+with open(filename) as file_object:
5 
+    numbers = json.load(file_object)
6 
+
7 
+print(numbers)

+ 7 - 0
chapter_10/number_writer.py
View File 

@@ -0,0 +1,7 @@
1 
+import json
2 
+
3 
+numbers = [2, 3, 5, 7, 11, 13]
4 
+
5 
+filename = 'numbers.json'
6 
+with open(filename, 'w') as file_object:
7 
+    json.dump(numbers, file_object)

+ 1 - 0
chapter_10/numbers.json
View File 

@@ -0,0 +1 @@
1 
+[2, 3, 5, 7, 11, 13]

+ 3 - 0
chapter_10/pi_30_digits.txt
View File 

@@ -0,0 +1,3 @@
1 
+3.1415926535
2 
+  8979323846
3 
+  2643383279

+ 3 - 0
chapter_10/pi_digits.txt
View File 

@@ -0,0 +1,3 @@
1 
+3.1415926535
2 
+  8979323846
3 
+  2643383279

File diff suppressed because it is too large
+ 10000 - 0
chapter_10/pi_million_digits.txt


+ 14 - 0
chapter_10/pi_string.py
View File 

@@ -0,0 +1,14 @@
1 
+filename = 'pi_million_digits.txt'
2 
+
3 
+with open(filename) as file_object:
4 
+    lines = file_object.readlines()
5 
+
6 
+pi_string = ''
7 
+for line in lines:
8 
+    pi_string += line.rstrip()
9 
+
10 
+birthday = input("Enter your birthday, in the form mmddyy: ")
11 
+if birthday in pi_string:
12 
+    print("Your birthday appears in the first million digits of pi!")
13 
+else:
14 
+    print("Your birthday does not appear in the first million digits of pi.")

+ 4 - 0
chapter_10/programming.txt
View File 

@@ -0,0 +1,4 @@
1 
+I love programming.
2 
+I love creating new games.
3 
+I also love finding meaning in large datasets.
4 
+I love creating apps that can run in a browser.

+ 31 - 0
chapter_10/remember_me.py
View File 

@@ -0,0 +1,31 @@
1 
+import json
2 
+
3 
+def get_stored_username():
4 
+    """Get stored username if available."""
5 
+    filename = 'username.json'
6 
+    try:
7 
+        with open(filename) as f_obj:
8 
+            username = json.load(f_obj)
9 
+    except FileNotFoundError:
10 
+        return None
11 
+    else:
12 
+        return username
13 
+
14 
+def get_new_username():
15 
+    """Prompt for a new username."""
16 
+    username = input("What is your name? ")
17 
+    filename = 'username.json'
18 
+    with open(filename, 'w') as f_obj:
19 
+        json.dump(username, f_obj)
20 
+    return username
21 
+
22 
+def greet_user():
23 
+    """Greet the user by name."""
24 
+    username = get_stored_username()
25 
+    if username:
26 
+        print("Welcome back, " + username + "!")
27 
+    else:
28 
+        username = get_new_username()
29 
+        print("We'll remember you when you come back, " + username + "!")
30 
+
31 
+greet_user()

File diff suppressed because it is too large
+ 4319 - 0
chapter_10/siddhartha.txt


+ 16 - 0
chapter_10/word_count.py
View File 

@@ -0,0 +1,16 @@
1 
+def count_words(filename):
2 
+    """Count the approximate number of words in a file."""
3 
+    try:
4 
+        with open(filename, encoding='utf-8') as f_obj:
5 
+            contents = f_obj.read()
6 
+    except FileNotFoundError:
7 
+        pass
8 
+    else:
9 
+        # Count approximate number of words in the file.
10 
+        words = contents.split()
11 
+        num_words = len(words)
12 
+        print("The file " + filename + " has about " + str(num_words) + " words.")
13 
+
14 
+filenames = ['alice.txt', 'siddhartha.txt', 'moby_dick.txt', 'little_women.txt']
15 
+for filename in filenames:
16 
+    count_words(filename)

+ 5 - 0
chapter_10/write_message.py
View File 

@@ -0,0 +1,5 @@
1 
+filename = 'programming.txt'
2 
+
3 
+with open(filename, 'a') as file_object:
4 
+    file_object.write("I also love finding meaning in large datasets.\n")
5 
+    file_object.write("I love creating apps that can run in a browser.\n")

+ 18 - 0
chapter_11/language_survey.py
View File 

@@ -0,0 +1,18 @@
1 
+from survey import AnonymousSurvey
2 
+
3 
+# Define a question, and make a survey object.
4 
+question = "What language did you first learn to speak?"
5 
+my_survey = AnonymousSurvey(question)
6 
+
7 
+# Show the question, and store responses to the question.
8 
+my_survey.show_question()
9 
+print("Enter 'q' at any time to quit.\n")
10 
+while True:
11 
+    response = input("Language: ")
12 
+    if response == 'q':
13 
+        break
14 
+    my_survey.store_response(response)
15 
+
16 
+# Show the survey results.
17 
+print("\nThank you to everyone who participated in the survey!")
18 
+my_survey.show_results()

+ 7 - 0
chapter_11/name_function.py
View File 

@@ -0,0 +1,7 @@
1 
+def get_formatted_name(first, last, middle=''):
2 
+    """Generate a neatly-formatted full name."""
3 
+    if middle:
4 
+        full_name = first + ' ' + middle + ' ' + last
5 
+    else:
6 
+        full_name = first + ' ' + last
7 
+    return full_name.title()

+ 14 - 0
chapter_11/names.py
View File 

@@ -0,0 +1,14 @@
1 
+from name_function import get_formatted_name
2 
+
3 
+print("Enter 'q' at any time to quit.")
4 
+while True:
5 
+    first = input("\nPlease give me a first name: ")
6 
+    if first == 'q':
7 
+        break
8 
+
9 
+    last = input("Please give me a last name: ")
10 
+    if last == 'q':
11 
+        break
12 
+
13 
+    formatted_name = get_formatted_name(first, last)
14 
+    print("\tNeatly formatted name: " + formatted_name + '.')

+ 21 - 0
chapter_11/survey.py
View File 

@@ -0,0 +1,21 @@
1 
+class AnonymousSurvey():
2 
+    """Collect anonymous answers to a survey question."""
3 
+
4 
+    def __init__(self, question):
5 
+        """Store a question, and prepare to store responses."""
6 
+        self.question = question
7 
+        self.responses = []
8 
+
9 
+    def show_question(self):
10 
+        """Show the survey question."""
11 
+        print(self.question)
12 
+
13 
+    def store_response(self, new_response):
14 
+        """Store a single response to the survey."""
15 
+        self.responses.append(new_response)
16 
+
17 
+    def show_results(self):
18 
+        """Show all the responses that have been given."""
19 
+        print("Survey results:")
20 
+        for response in self.responses:
21 
+            print('- ' + response)

+ 17 - 0
chapter_11/test_name_function.py
View File 

@@ -0,0 +1,17 @@
1 
+import unittest
2 
+from name_function import get_formatted_name
3 
+
4 
+class NamesTestCase(unittest.TestCase):
5 
+    """Tests for 'name_function.py'."""
6 
+
7 
+    def test_first_last_name(self):
8 
+        formatted_name = get_formatted_name('janis', 'joplin')
9 
+        self.assertEqual(formatted_name, 'Janis Joplin')
10 
+
11 
+    def test_first_last_middle_name(self):
12 
+        formatted_name = get_formatted_name(
13 
+            'wolfgang', 'mozart', 'amadeus')
14 
+        self.assertEqual(formatted_name, 'Wolfgang Amadeus Mozart')
15 
+
16 
+
17 
+unittest.main()

+ 30 - 0
chapter_11/test_survey.py
View File 

@@ -0,0 +1,30 @@
1 
+import unittest
2 
+from survey import AnonymousSurvey
3 
+
4 
+class TestAnonymousSurvey(unittest.TestCase):
5 
+    """Tests for the class AnonymousSurvey."""
6 
+
7 
+    def setUp(self):
8 
+        """
9 
+        Create a survey and a set of responses for use in all test methods.
10 
+        """
11 
+        question = "What language did you first learn to speak?"
12 
+        self.my_survey = AnonymousSurvey(question)
13 
+        self.responses = ['English', 'Spanish', 'Mandarin']
14 
+
15 
+
16 
+    def test_store_single_response(self):
17 
+        """Test that a single response is stored properly."""
18 
+        self.my_survey.store_response(self.responses[0])
19 
+        self.assertIn(self.responses[0], self.my_survey.responses)
20 
+
21 
+
22 
+    def test_store_three_responses(self):
23 
+        """Test that three individual responses are stored properly."""
24 
+        for response in self.responses:
25 
+            self.my_survey.store_response(response)
26 
+        for response in self.responses:
27 
+            self.assertIn(response, self.my_survey.responses)
28 
+
29 
+
30 
+unittest.main()

File diff suppressed because it is too large
+ 114 - 0
chapter_12/README.md


+ 31 - 0
chapter_12/alien_invasion.py
View File 

@@ -0,0 +1,31 @@
1 
+import pygame
2 
+from pygame.sprite import Group
3 
+
4 
+from settings import Settings
5 
+from ship import Ship
6 
+import game_functions as gf
7 
+
8 
+def run_game():
9 
+    # Initialize pygame, settings, and screen object.
10 
+    pygame.init()
11 
+    ai_settings = Settings()
12 
+    screen = pygame.display.set_mode(
13 
+        (ai_settings.screen_width, ai_settings.screen_height))
14 
+    pygame.display.set_caption("Alien Invasion")
15 
+
16 
+    # Set the background color.
17 
+    bg_color = (230, 230, 230)
18 
+
19 
+    # Make a ship.
20 
+    ship = Ship(ai_settings, screen)
21 
+    # Make a group to store bullets in.
22 
+    bullets = Group()
23 
+
24 
+    # Start the main loop for the game.
25 
+    while True:
26 
+        gf.check_events(ai_settings, screen, ship, bullets)
27 
+        ship.update()
28 
+        gf.update_bullets(bullets)
29 
+        gf.update_screen(ai_settings, screen, ship, bullets)
30 
+
31 
+run_game()

+ 0 - 0
chapter_12/bullet.py
View File


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