python 安装 redis

https://pypi.org/project/redis/

pip install redis

import redis

pool = redis.ConnectionPool(
    host = "localhost",
    port = 6379,
    password = '',
    db = 0,
    max_connections = 20
)

from redis_db import pool
import  redis
import time

con = redis.Redis(
    connection_pool = pool
)

con.set("country","英国")
con.set("city","伦敦")
# city = con.get("city").decode("utf-8")
con.expire("city",5)
time.sleep(6)
city = con.get("city").decode("utf-8")
print(city)

del con