Snippet
"""Practice diagram.""" def change_and_check(x: int, nums: list[int]) -> int: """Let's see what happens!""" if x < 0: return 0 i: int = 0 while i < len(nums): nums[i] += x i += 1 i = 0 while i < len(nums): if nums[i] == x: return 0 i += 1 return x - 1 def main() -> None: """The entrypoint of this program.""" num_1: int = 0 list_1: list[int] = [1, 2, num_1] list_1.append(change_and_check(2, list_1)) list_1.append(change_and_check(3, list_1)) main()