Hello! I'm new to python so please forgive me if I'm asking something dumb :) I found a script online that uses pushshift to pull all submissions based upon a keyword and then publishes them to a csv on my desktop -- however, I would like to know how to pull all COMMENTS rather than submission titles. Is there a way to alter the below script to pull comments instead of titles? I've tried a couple different things but I keep getting a variety of errors. Thank you so so much in advance for any and all help!

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import requests
import json
import csv
import time
import datetime


##step 1
def getPushshiftData(query, after, before, sub):
    url = 'https://api.pushshift.io/reddit/search/submission/?title='   str(query)   '&size=1000&after='   str(
        after)   '&before='   str(before)   '&subreddit='   str(sub)
    print(url)
    r = requests.get(url)
    data = json.loads(r.text)
    return data['data']


##step 2
def collectSubData(subm):
    subData = list()  # list to store data points
    title = subm['title']
    url = subm['url']
    try:
        flair = subm['link_flair_text']
    except KeyError:
        flair = "NaN"
    author = subm['author']
    sub_id = subm['id']
    score = subm['score']
    created = datetime.datetime.fromtimestamp(subm['created_utc'])  # 1520561700.0
    numComms = subm['num_comments']
    permalink = subm['permalink']

    subData.append((sub_id, title, url, author, score, created, numComms, permalink, flair))
    subStats[sub_id] = subData


##step 3
# Subreddit to query
sub = 'technology'
# before and after dates
before = "1577836800"  # January 1st 2020
after = "1546300800"  # January 1st 2019
query = "privacy"
subCount = 0
subStats = {}

##step 4
data = getPushshiftData(query, after, before, sub)
# Will run until all posts have been gathered
# from the 'after' date up until before date
while len(data) > 0:
    for submission in data:
        collectSubData(submission)
        subCount  = 1
    # Calls getPushshiftData() with the created date of the last submission
    print(len(data))
    print(str(datetime.datetime.fromtimestamp(data[-1]['created_utc'])))
    after = data[-1]['created_utc']
    data = getPushshiftData(query, after, before, sub)

print(len(data))

##step 5
print(str(len(subStats))   " submissions have added to list")
print("1st entry is:")
print(list(subStats.values())[0][0][1]   " created: "   str(list(subStats.values())[0][0][5]))
print("Last entry is:")
print(list(subStats.values())[-1][0][1]   " created: "   str(list(subStats.values())[-1][0][5]))


##step 6
def updateSubs_file():
    upload_count = 0
    location = "/Users/username/Desktop/"
    print("input filename of submission file, please add .csv")
    filename = input()
    file = location   filename
    with open(file, 'w', newline='', encoding='utf-8') as file:
        a = csv.writer(file, delimiter=',')
        headers = ["Post ID", "Title", "Url", "Author", "Score", "Publish Date", "Total No. of Comments", "Permalink",
                   "Flair"]
        a.writerow(headers)
        for sub in subStats:
            a.writerow(subStats[sub][0])
            upload_count  = 1

        print(str(upload_count)   " submissions have been uploaded")


updateSubs_file()