Simple Reddit Comment Bot

import praw
import time

##### Login Credentials Here #####

user_login = ''
pass_login = ''

##### ##################### #####

reddit = praw.Reddit("simple script to look for and respond to reddit comments")
reddit.login(username=user_login,password=pass_login)

checked = set()

while True:

    try:
        x = 0 #counts how many comments we scan per iteration
        all_comments = reddit.get_comments('all', limit=1000)

        for comment in all_comments:

            if 'whatever_you_are_looking_for' in str(comment) and comment.link_id[3:] not in checked:

                checked.add(comment.link_id[3:])
                comment.reply('comment you want to reply with')

                print "Just responded to a message!:"
                print comment.permalink

            else:
                pass

        # BOILERPLATE MESSAGE PRINTED AFTER EACH COMMENT SCAN
        timeset = time.strftime("%m-%d %H:%M") # current date and time
        print timeset
        print "Just scanned " + str(x) + " comments.\n"
        time.sleep(60)

    except Exception as e:

        # Reddit is down
        # wifi is down
        # some other problem etc
        print str(e)