# Immutable: Integers, strings, tuples, and so on. All operations make copies.
# Mutable: Lists, dictionaries, sets, and so on. Operations may or may not mutate


#  Lambda Function

# An anonymous, inlined function defined with lambda. The parameters of the lambda are defined to the left of the
# colon. The function body is defined to the right of the colon. The result of running the function body is (implicitly)
# returned.

