| f | from collections import Counter | f | from collections import Counter |
| | | |
| class DefCounter(Counter): | | class DefCounter(Counter): |
| | | |
| n | def __init__(self, *args, missing: int=-1, **kwargs): | n | def __init__(self, *args, missing=-1, **kwargs): |
| super().__init__(*args, **kwargs) | | super().__init__(*args, **kwargs) |
| n | self._missing_value = missing | n | self.missing = missing |
| | | |
| def __missing__(self, key): | | def __missing__(self, key): |
| t | return self._missing_value | t | return self.missing |
| | | |
| def __abs__(self): | | def __abs__(self): |
| return sum((v for v in self.values() if v > 0)) | | return sum((v for v in self.values() if v > 0)) |