Pulling All Comments from Reddit

import praw, json

#my set up. Everyone needs their own.
#tutorial:
#https://praw.readthedocs.io/en/latest/getting_started/authentication.html
reddit = praw.Reddit(client_id='thiswontwork',
                     client_secret='canttellya',
                     password='redditpassword:token',
                     user_agent='Give_it_a_name',
                     username='your_reddit_user_name")


#script to get all comments
def getSubComments(comment, allComments, verbose=True):
    allComments.append(comment)
    if not hasattr(comment, "replies"):
        replies = comment.comments()
        if verbose: print("fetching (" + str(len(allComments)) + " comments fetched total)")
    else:
        replies = comment.replies
    for child in replies:
        getSubComments(child, allComments, verbose=verbose)



def getAll(r, submissionId, verbose=True):
    submission = r.submission(submissionId)
    comments = submission.comments
    commentsList = []
    for comment in comments:
        getSubComments(comment, commentsList, verbose=verbose)
    return commentsList


#the second field is the thread ID you want to pull comments from.
res = getAll(reddit, "au82b5")

#get rid of useless "MoreComments" elements in the list
from praw.models import MoreComments
comments = []
for i in range(0,(len(res)-1)):
    if isinstance(res[i], MoreComments):
        continue
    comments.append(res[i].body.encode('utf-8'))


comm_json = []
for comms in comments:
    comm_json.append(json.dumps({"comments":comms}))

#and the comments are written in file "comment.json" in your current directory
#it can be read by any text editor
with open('comment.json', 'w') as outfile:
    json.dump(comm_json, outfile)