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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def wait_for_redis_to_start(redis_ip_address, redis_port, password=None, num_retries=5):
 """Wait for a Redis server to be available. This is accomplished by creating a Redis client and sending a random command to the server until the command gets through. Args: redis_ip_address (str):
 The IP address of the redis server. redis_port (int):
 The port of the redis server. password (str):
 The password of the redis server. num_retries (int):
 The number of times to try connecting with redis. The client will sleep for one second between attempts. Raises: Exception: An exception is raised if we could not connect with Redis. """

    redis_client = redis.StrictRedis(
        host=redis_ip_address, port=redis_port, password=password)
    # Wait for the Redis server to start.
    counter = 0
    while counter < num_retries:
        try:
            # Run some random command and see if it worked.
            logger.info(
                "Waiting for redis server at {}:{} to respond...".format(
                    redis_ip_address, redis_port))
            redis_client.client_list()
        except redis.ConnectionError:
            # Wait a little bit.
            time.sleep(1)
            logger.info("Failed to connect to the redis server, retrying.")
            counter += 1
        else:
            break
    if counter == num_retries:
        raise Exception("Unable to connect to Redis. If the Redis instance is "
                        "on a different machine, check that your firewall is "
                        "configured properly.")