Set is a mutable and unique collection in Python. It can contain only immutable objects like numbers, strings, and tuples.
Example:
>>> s = {1, 2.3, "apple", 3, 4} >>> type(s) set
>>> s = {} >>> type(s) dict >>> s = set() # empty set >>> type(s) set
Set has many built-in functions, as listed below:
add clear copy difference difference_update discard intersection intersection_update isdisjoint issubset issuperset pop remove symmetric_difference symmetric_difference_update union update