import redis
from redis.sentinel import Sentinel

def get_redis_connection(sentinel_hosts, service_name):
    sentinel = Sentinel(sentinel_hosts, socket_timeout=0.1)
    master = sentinel.master_for(service_name, socket_timeout=0.1)
    slave = sentinel.slave_for(service_name, socket_timeout=0.1)
    return master, slave

def main():
    # Specify the Sentinel hosts and the Redis service name
    sentinel_hosts = [('127.0.1.1', 26379), ('127.0.1.1', 26380), ('127.0.1.1', 26381)]
    service_name = 'mymaster'

    # Get the Redis connections
    master, slave = get_redis_connection(sentinel_hosts, service_name)
    print(f" Master and slave : {master} {slave}")
    # Perform write operation on the master
    master.set('key1', 'hey')

    # Perform read operation on the slave
    value = slave.get('key1')
    print(f"Read from slave: {value}")

if __name__ == "__main__":
    main()