import redis
r = redis.Redis(host='192.168.1.3', port=6188,db=0,decode_responses=True)
list_keys = r.keys("DEMO_xx_*")

for key in list_keys:
 r.delete(key)

from rediscluster import StrictRedisCluster
import sys

#pip install redis-py-cluster
redis_nodes = [{'host':'192.168.1.63','port':7000},
    {'host':'192.168.1.63','port':7001},
    {'host':'192.168.1.63','port':7002}
    ]
try:
 redisconn = StrictRedisCluster(startup_nodes=redis_nodes)
 list_keys = redisconn.keys("DEMO_1_*")
 for key in list_keys:
  redisconn.delete(key)
except:
 print("Connect Error!")
 sys.exit(1)