Python Collections

Lists

Lists are an old friend to anyone that's done even a little Python. They have a lot to offer us, though, so let's explore their methods and uses a bit further. 10 steps

• Let's Review Lists 1:37
• Creating lists 1 objective
• Growing Lists 6:04
• Combining Lists 3 objectives
• Shopping List Take Three 10:11
• List creation/extension methods 6 questions
• Removing Items From A List 5:57
• Disemvowel 1 objective
• Pop 6:53
• Removing items from a list 2 objectives
• Extra Credit Take our shopping list script even further if you want. Some suggestions:
  • Make it possible to move items from one position to another
  • Change the formatting of the list display
  • Create a CLEAR command that removes everything from the list

Slices

We don't always want the entirety of a list or string. Sometimes we just want part of it, and Python calls these sub-string or sub-lists "slices" 8 steps

• Introduction To Slices 6:27
• Back and Forth 3 objectives
• Slicing With A Step 3:57
• Slice Functions 4 objectives
• First Slice 4 questions
• Deleting Or Replacing Slices 4:06
• Deleting slices 6 questions
• sillyCase 1 objective
• Extra Credit Spend plenty of time working with slices. See if you can blend two very different lists together using slices.

Dictionaries

Unlike their hard-backed namesakes, Python's dictionaries are easy to create, update, and take advantage of. 9 steps

• Introduction To Dictionaries 4:49
• Dictionary Basics 2 objectives
• Key Management 3:57
• Dict Basics 7 questions
• Packing and Unpacking Dictionaries 6:01
• String Formatting with Dictionaries 1 objective
• Dictionary Iteration 4:04
• Word Count 1 objective
• Teacher Stats 5 objectives

Tuples

Quite possibly the most common data type (behind the scenes, at least) in all of Python, tuples, which act like immutable lists, are a great tool for every Pythonista. 7 steps

• Introduction To Tuples 5:23
• Two-ples 5 questions
• Tuple Swapping 4:55
• Packing 1 objective
• Multiple Return Values 5:48
• Stringcases 1 objective
• Combo 1 objective

Sets

Not as common of data type, sets are, nevertheless, crucial for certain parts of Python development. 6 steps

• Set Basics 4:29
• First Sets 3 objectives
• Set Math 3:48
• Set Math 2 objectives
• The Better with Set(ter) Letter Game 4:22
• Review: Sets 5 questions

Dungeon Game

With all of your new Python tools, I think it's time to build another game together. 9 steps

• The Plan 1:52
• Dungeon Entrance 9:23
• random.sample 1 objective
• Movement 8:18
• Hit points 1 objective
• Cartographer 8:03
• Line endings 1 objective
• Win or Lose 6:30
• Review: Python Collections 6 questions
• Extra Credit Make some or all of the following changes to your game:
  • Change your player to a dictionary with a key that holds onto where the player has been. Then, when drawing the map, show . for every cell they've been in.
  • Add more cells.
  • Move the monster randomly after the player moves.
  • Show the monster.
  • Keep a scoreboard for multiple plays.
  • Add a second or third monster.
  • Add a debug mode to show where the monster(s) and door are all the time.