redis保存数组

import redis
host = 'xxxxx'
port = 6379
db_data = 10
redis_data= redis.Redis(host=host, port=port,db=db_data, password=password,decode_responses=True)
callernumber=“18812345678”
speaker="home"
message="早啊"
obj={"speaker":speaker,"message":message}
obj = json.dumps(obj)
redis_data.rpush(callernumber, obj) # 缓存记录对话信息