tuple
tuple([sequence])
Returns a tuple whose items are the same and in the same order as
sequence’s items. The sequence argument may be a sequence, a container
that supports iteration, or an iterator object. If sequence is already a
tuple, it is returned unchanged. For instance, tuple('abc') returns
('a', 'b', 'c') and tuple([1, 2, 3]) returns (1, 2, 3). If no
argument is given, returns a new empty tuple, ().