code: def get(self, key, default=None):
          
          return self._fetch_cmd(b'get', [key], False).get(key, default)
docs: 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.