def __str__(self, prefix="", printElemNumber=0):
    res=""
    cnt=0
    for e in self.presence_response_:
      elm=""
      if printElemNumber: elm="(%d)" % cnt
      res+=prefix+(elm % "presence_response%s <\n")
      res+=e.__str__(prefix + "  ", printElemNumber)
      res+=prefix+">\n"
      cnt+=1
    return res
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/api/xmpp/xmpp_service_pb.py/BulkPresenceResponse.__str__/swapped operands of `%`