| import sys | |
| if sys.version_info < (3, 9): | |
| def removesuffix(self, suffix): | |
| # suffix='' should not call self[:-0]. | |
| if suffix and self.endswith(suffix): | |
| return self[: -len(suffix)] | |
| else: | |
| return self[:] | |
| def removeprefix(self, prefix): | |
| if self.startswith(prefix): | |
| return self[len(prefix) :] | |
| else: | |
| return self[:] | |
| else: | |
| def removesuffix(self, suffix): | |
| return self.removesuffix(suffix) | |
| def removeprefix(self, prefix): | |
| return self.removeprefix(prefix) | |