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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get(self, key, default=None):
 """ The memcached "get" command, but only for one key, as a convenience. Args: key: str, see class docs for details. default: value that will be returned if the key was not found. Returns: The value for the key, or default if the key wasn't found. """

        return self._fetch_cmd(b'get', [key], False).get(key, default)