def incr(self, key, delta=1, namespace=None, initial_value=None):
    return self._incrdecr(key, False, delta, namespace=namespace,
                          initial_value=initial_value)
Atomically increments a key's value.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/memcache/__init__.py/Client.incr