collections

List [ “abc”, 1, True ]
- ordered, indexed, allow duplicate items
- mutable
- list item can be any type
Tuple ( 1, “A”, True)
- ordered, indexed, allow duplicate items
- immutable
- tuple item can be any type
Set { “abc”, 34, True }
- unordered, unindexed, no duplicate items
  - 1 and True (and 0/False) are the same items (duplicates)
- items are immutable
- set is mutable (add/remove items)
- set item can be any type
Dictionary { “keyA”: value, “keyB”: value }
- stores key:value pairs
- ordered (from v3.7), no duplicate items (keys)
- mutable
- value can be any type