Method setdefault

bson/son.py:135–140

(self, key: _Key, default: _Value)

        super().clear()

    def setdefault(self, key: _Key, default: _Value) -> _Value:
        try:
            return self[key]
        except KeyError:
            self[key] = default
        return default

    def pop(self, key: _Key, *args: Union[_Value, _T]) -> Union[_Value, _T]:
        if len(args) > 1: