import praw
bot = praw.Reddit(user_agent='Ice cream bot',
                  client_id='',
                  client_secret='',
                  username='Icecream_above',
                  password='')
subreddit = bot.subreddit('PersonalBotTester')
comments = subreddit.stream.comments()
for comment in comments:
    text = comment.body # Fetch body
    author = comment.author # Fetch author
    text_file=open('c_save.txt', 'a')
    def text_open():
      text_file=open('c_save.txt', 'a')
      text_file.write(text + '\n')
      text_file.close()
    with open('c_save.txt') as f:
        data = f.readlines()
    if str(text + '\n') in data:
      pass
    if author == 'Icecream_above':
      pass
    else:
        if 'Ice cream' in text.lower():
        # Generate a message
          message = "How would you rate Ice cream on a scale 1-10?".format(author)
          text_open()

          comment.reply(message) # Send message
        elif 'ice cream' in text.lower():
          message = "How would you rate ice cream on a scale 1-10?".format(author)
          text_open()

          comment.reply(message)