it will work just fine mate

scratch_3.py

def this_works_just_fine(my_list: list[int] = []) -> list[int]:
    """
        This function will remove the first element of a list
    """
    my_list.pop(0)
    my_list.reverse()
    return my_list


def still_works():
    my_list: list[int] = [1, 2, 3, 4, 5]
    print(this_works_just_fine(my_list))
    this_works_just_fine(my_list)
    print(my_list)
    print(this_works_just_fine(my_list))
    print(this_works_just_fine(my_list))
    print(this_works_just_fine(my_list))


# Output
# [5, 4, 3, 2]
# [2, 3, 4]
# [4, 3]
# [3]
# []

if __name__ == '__main__':
    still_works()