Creates a list of approved submitters to a subreddit who do not have user flair set and sends them a modmail message.
#!/usr/bin/env python
import praw
reddit = praw.Reddit(client_id=' <id> ', client_secret=' <secret> ', password=' <password> ', user_agent='flairBegger by /u/_bama', username=' <username> ')
sub = 'vzwemployees'
# get the users who are already flaired
flaired_users = [flair['user'].name for flair in reddit.subreddit(sub).flair(limit=None)]
# get the list of contributors
contributors = [user.name for user in reddit.subreddit(sub).contributor(limit=None)]
# remove already flaired users from the mailing list
create_list = list(set(contributors) - set(flaired_users))
# for every user in the mailing list send a modmail message
for user in create_list:
reddit.redditor(user).message('<subject>', "<custom message that can include markdown>", from_subreddit='<the subreddit>')