Mutates your tuples.
Please, don't use this! I created this just for fun for a video in my the-best-python-course.
>>> import mutable_tuple
>>> x = (1, 2)
>>> mutable_tuple.set_item(x, 0, 5)
>>> x
(5, 2)😱
Docs about what is going on: PyTuple_SET_ITEM C-API
pip install git+https://github.com/sobolevn/mutable-tuple.git