Lists, Dictionaries and Sets

The containers you will use for the rest of the curriculum: indexing, slicing, building lists, and looking things up by name.

Learning Objectives

• →Index a list from the front and the back, and know why it starts at 0
• →Slice a list, and know why the stop index is excluded
• →Build a list up in a loop with append
• →Look values up in a dictionary safely with .get and a default
• →Count occurrences with a dictionary
• →Use a set to remove duplicates, and know why it has no order

Coding Problems (6)