(self, format_string, /, *args, **kwargs)
| 202 | |
| 203 | class Formatter: |
| 204 | def format(self, format_string, /, *args, **kwargs): |
| 205 | return self.vformat(format_string, args, kwargs) |
| 206 | |
| 207 | def vformat(self, format_string, args, kwargs): |
| 208 | used_args = set() |