import praw
import time

processed = []
counter = 0

def run():
    # log in
    redd = praw.Reddit(client_id = client_id,
                        client_secret = client_secret,
                        username = username,
                        password = password,
                        user_agent = useragent)

    # get comments
    for comment in redd.subreddit('testingground4bots').comments(limit=25):

        # test to see what comments look like
        print(comment)

        # reply if phrase found
        if "test_word" in comment.body.lower() and comment.id not in processed:
            comment.reply("Test successful!")
            processed.append(comment.id)
            print("replied to comment with id {}".format(comment.id))

while True:
    run()
    time.sleep(120)