Collection Data Types

get length: len(dict)

List

list = [10, 20, 30]

Lists are used to store multiple items in a single variable.

1. ordered
2. changeable
3. allow duplicate values

Tuple

Set

Dictionary

dict = {
    "a": "abc",
    "year": 1986
}

1. not allow duplicate values - Dictionaries cannot have two items with the same key.
2. changeable
3. unordered in old version, ordered in new version