unique
Find unique values in a list containing only int, dec, str, bool, none, and datetime types. For example, unique([1, 2, 3, 3, 3]) == [1, 2, 3].
Find unique values in a list containing only int, dec, str, bool, none, and datetime types. For example, unique([1, 2, 3, 3, 3]) == [1, 2, 3].