def test_get(self):
        """
        L{MemCacheProtocol.get} returns a L{Deferred} which is called back with
        the value and the flag associated with the given key if the server
        returns a successful result.
        """
        return self._test(
            self.proto.get(b"foo"), b"get foo\r\n",
            b"VALUE foo 0 3\r\nbar\r\nEND\r\n", (0, b"bar"))

        L{MemCacheProtocol.get} returns a L{Deferred} which is called back with
        the value and the flag associated with the given key if the server
        returns a successful result.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_memcache.py