python操作redis-过期时间

#!/usr/bin/python
#!coding:utf-8

import time
import redis

if __name__ == “__main__”:
try:
conn=redis.StrictRedis(host=’192.168.80.41′)
conn.set(‘name’,’大白兔’)
conn.expire(‘name’,10)
#设置键的过期时间为10s
for item in range(12):
value=conn.get(‘name’)
if value != None:
print(value.decode(‘utf8’))
else:
print(‘the key has been deleted…’)
break
time.sleep(1)
except Exception as err:
print(err)