Method __delitem__

Lib/configparser.py:1313–1316

(self, key)

        return self._parser.set(self._name, key, value)

    def __delitem__(self, key):
        if not (self._parser.has_option(self._name, key) and
                self._parser.remove_option(self._name, key)):
            raise KeyError(key)

    def __contains__(self, key):
        return self._parser.has_option(self._name, key)