Lists are ordered, mutable and allow duplicates.
Tuples are ordered, immutable and allow duplicates.
Sets are unordered, mutable and do not allow duplicates.

Sets can be used to deduplicate data or performing membership checks.

## Lists
list_name = [“web1”, “web2”]

# Tuples
tuple_name = (“web1”, “web2”)

# Set
set_name = {“web1”, “web2”}