Way to compare two subreddit users

subredditCompare-clean.py

import praw
import csv


reddit = praw.Reddit(client_id='YOUR-CLIENT-ID',
                     client_secret='YOUR-SECRET-API-KEY-HERE',
                     user_agent='blablabl kjoenth whatever')

userListOne = []
userListTwo = []
commonUsers = []

theLimiter = 100000
theSubredditNameOne = "The_Donald"
theSubredditNameTwo = "nofap"

###Section one
print "******Reading in r/%s usernames from 'hot' topics!" % (theSubredditNameOne)
for submission in reddit.subreddit(theSubredditNameOne).hot(limit=theLimiter):
    #print(submission.title)
    theAuthor = submission.author
    if theAuthor not in userListOne:
        #print theAuthor
        userListOne.append(theAuthor)

print "******Reading in r/%s usernames from comments!" % (theSubredditNameOne)
for aComment in reddit.subreddit(theSubredditNameOne).comments(limit=theLimiter):
    theCommenter = aComment.author
    if theCommenter not in userListOne:
        #print theCommenter
        userListOne.append(theCommenter)

###Section one
print "******Reading in r/%s usernames from 'hot' topics!" % (theSubredditNameTwo)
for submission in reddit.subreddit(theSubredditNameTwo).hot(limit=theLimiter):
    #print(submission.title)
    theAuthor = submission.author
    if theAuthor not in userListTwo:
        #print theAuthor
        userListTwo.append(theAuthor)

print "******Reading in r/%s usernames from comments!" % (theSubredditNameTwo)
for aComment in reddit.subreddit(theSubredditNameTwo).comments(limit=theLimiter):
    theCommenter = aComment.author
    if theCommenter not in userListTwo:
        #print theCommenter
        userListTwo.append(theCommenter)

print ""
print "Search limited to %i" % (theLimiter)
print "%i unique names in r/%s list" % (len(userListOne), theSubredditNameOne)
print "%i unique names in r/%s list" % (len(userListTwo), theSubredditNameTwo)
print "\n***Comparision of lists starting...."
for aName in userListOne:
    if aName in userListTwo:
        commonUsers.append(aName)
        #print aName

print "%i common users" % (len(commonUsers))
print "\nDone."