Reddit tally number of comments on a list of threads per user using PRAW [yet yet yet yet again]

thl-buddenbrooks.py

import praw
from collections import defaultdict

discussion_threads = \
["https://www.reddit.com/r/thehemingwaylist/comments/rthfhy/buddenbrooks_chapter_1/",
"https://www.reddit.com/r/thehemingwaylist/comments/ru7p9c/buddenbrooks_chapter_2/",
"https://www.reddit.com/r/thehemingwaylist/comments/rv0o67/buddenbrooks_thomas_mann_chapter_3_discussion/",
"https://www.reddit.com/r/thehemingwaylist/comments/rvsc05/buddenbrooks_thomas_mann_chapter_4_discussion/",
"https://www.reddit.com/r/thehemingwaylist/comments/rwluwr/buddenbrooks_thomas_mann_chapter_5_discussion/",
"https://www.reddit.com/r/thehemingwaylist/comments/rxdycb/buddenbrooks_thomas_mann_chapter_6/",
"https://www.reddit.com/r/thehemingwaylist/comments/ry6g8o/buddenbrooks_thomas_mann_chapter_7/",
"https://www.reddit.com/r/thehemingwaylist/comments/ryyhrb/buddenbrooks_thomas_mann_chapter_8/",
"https://www.reddit.com/r/thehemingwaylist/comments/rzot5g/buddenbrooks_thomas_mann_chapter_9/",
"https://www.reddit.com/r/thehemingwaylist/comments/s0hi8g/buddenbrooks_thomas_mann_chapter_10/",
"https://www.reddit.com/r/thehemingwaylist/comments/s1aafj/buddenbrooks_thomas_mann_part_2_chapter_1/",
"https://www.reddit.com/r/thehemingwaylist/comments/s24twk/buddenbrooks_thomas_mann_part_2_chapter_2/",
"https://www.reddit.com/r/thehemingwaylist/comments/s2wmss/buddenbrooks_thomas_mann_part_2_chapter_3/",
"https://www.reddit.com/r/thehemingwaylist/comments/s3qcul/buddenbrooks_thomas_mann_part_2_chapter_4/",
"https://www.reddit.com/r/thehemingwaylist/comments/s4jb4p/buddenbrooks_thomas_mann_part_2_chapter_5/",
"https://www.reddit.com/r/thehemingwaylist/comments/s5axz0/buddenbrooks_thomas_mann_book_2_chapter_6/",
"https://www.reddit.com/r/thehemingwaylist/comments/s63mjf/buddenbrooks_part_2_chapter_7/",
"https://www.reddit.com/r/thehemingwaylist/comments/s70ki8/buddenbrooks_part_3_chapter_1/",
"https://www.reddit.com/r/thehemingwaylist/comments/s7pu28/buddenbrooks_book_3_chapter_2_discussion/",
"https://www.reddit.com/r/thehemingwaylist/comments/s8i3sr/buddenbrooks_book_3_chapter_3/",
"https://www.reddit.com/r/thehemingwaylist/comments/s98p21/buddenbrooks_book_3_chapter_4/",
"https://www.reddit.com/r/thehemingwaylist/comments/sa5upo/buddenbrooks_book_3_chapter_5/",
"https://www.reddit.com/r/thehemingwaylist/comments/saqxdh/buddenbrooks_book_3_chapter_6/",
"https://www.reddit.com/r/thehemingwaylist/comments/sbjjw3/buddenbrooks_book_3_chapter_7/",
"https://www.reddit.com/r/thehemingwaylist/comments/scbfsk/buddenbrooks_book_3_chapter_8/",
"https://www.reddit.com/r/thehemingwaylist/comments/sd3cy2/buddenbrooks_book_3_chapter_9/",
"https://www.reddit.com/r/thehemingwaylist/comments/sdwkfv/buddenbrooks_book_3_chapter_10/",
"https://www.reddit.com/r/thehemingwaylist/comments/seo1pj/buddenbrooks_book_3_chapter_11/",
"https://www.reddit.com/r/thehemingwaylist/comments/sfhrpf/buddenbrooks_book_3_chapter_12/",
"https://www.reddit.com/r/thehemingwaylist/comments/sg7wc5/buddenbrooks_book_3_chapter_13/",
"https://www.reddit.com/r/thehemingwaylist/comments/sgyp0q/buddenbrooks_book_3_chapter_14/",
"https://www.reddit.com/r/thehemingwaylist/comments/shs1v9/buddenbrooks_book_3_chapter_15/",
"https://www.reddit.com/r/thehemingwaylist/comments/silyna/buddenbrooks_book_3_chapter_16/",
"https://www.reddit.com/r/thehemingwaylist/comments/sjgbfw/buddenbrooks_book_4_chapter_2/",
"https://www.reddit.com/r/thehemingwaylist/comments/skasx7/buddenbrooks_book_4_chapter_3/",
"https://www.reddit.com/r/thehemingwaylist/comments/sl6gbn/buddenbrooks_book_4_chapter_4/",
"https://www.reddit.com/r/thehemingwaylist/comments/sltgvt/buddenbrooks_book_4_chapter_5/",
"https://www.reddit.com/r/thehemingwaylist/comments/smmpe0/buddenbrooks_book_4_chapter_6/",
"https://www.reddit.com/r/thehemingwaylist/comments/snhmxg/buddenbrooks_book_4_chapter_7/",
"https://www.reddit.com/r/thehemingwaylist/comments/so9zcp/buddenbrooks_book_4_chapter_8/",
"https://www.reddit.com/r/thehemingwaylist/comments/sp48m5/buddenbrooks_book_4_chapter_9/",
"https://www.reddit.com/r/thehemingwaylist/comments/spxnqh/buddenbrooks_book_4_chapter_10/",
"https://www.reddit.com/r/thehemingwaylist/comments/sqproh/buddenbrooks_book_4_chapter_11/",
"https://www.reddit.com/r/thehemingwaylist/comments/srgndy/buddenbrooks_book_5_chapter_1/",
"https://www.reddit.com/r/thehemingwaylist/comments/ss7mxj/buddenbrooks_book_5_chapter_2/",
"https://www.reddit.com/r/thehemingwaylist/comments/st08u8/buddenbrooks_book_5_chapter_3/",
"https://www.reddit.com/r/thehemingwaylist/comments/stsdv4/buddenbrooks_book_5_chapter_4/",
"https://www.reddit.com/r/thehemingwaylist/comments/sunn4f/buddenbrooks_book_5_chapter_5/",
"https://www.reddit.com/r/thehemingwaylist/comments/svh50a/buddenbrooks_book_5_chapter_6/",
"https://www.reddit.com/r/thehemingwaylist/comments/swa0o5/buddenbrooks_book_5_chapter_7/",
"https://www.reddit.com/r/thehemingwaylist/comments/swxzbh/buddenbrooks_book_5_chapter_8/",
"https://www.reddit.com/r/thehemingwaylist/comments/sxqkim/buddenbrooks_book_5_chapter_9/",
"https://www.reddit.com/r/thehemingwaylist/comments/syl2me/buddenbrooks_book_6_chapter_1/",
"https://www.reddit.com/r/thehemingwaylist/comments/sze80g/buddenbrooks_book_6_chapter_2/",
"https://www.reddit.com/r/thehemingwaylist/comments/t085jd/buddenbrooks_book_6_chapter_3/",
"https://www.reddit.com/r/thehemingwaylist/comments/t12cqn/buddenbrooks_book_6_chapter_4/",
"https://www.reddit.com/r/thehemingwaylist/comments/t1v947/buddenbrooks_book_6_chapter_5/",
"https://www.reddit.com/r/thehemingwaylist/comments/t2l5cc/buddenbrooks_book_6_chapter_6/",
"https://www.reddit.com/r/thehemingwaylist/comments/t3cpni/buddenbrooks_book_6_chapter_7/",
"https://www.reddit.com/r/thehemingwaylist/comments/t452fg/buddenbrooks_book_6_chapter_8/",
"https://www.reddit.com/r/thehemingwaylist/comments/t4xh6f/buddenbrooks_book_6_chapter_9/",
"https://www.reddit.com/r/thehemingwaylist/comments/t5pe85/buddenbrooks_book_6_chapter_10/",
"https://www.reddit.com/r/thehemingwaylist/comments/t6ggmx/buddenbrooks_book_6_chapter_11/",
"https://www.reddit.com/r/thehemingwaylist/comments/t76u9y/buddenbrooks_book_7_chapter_1/",
"https://www.reddit.com/r/thehemingwaylist/comments/t7w259/buddenbrooks_book_7_chapter_2/",
"https://www.reddit.com/r/thehemingwaylist/comments/t8m8m3/buddenbrooks_book_7_chapter_3/",
"https://www.reddit.com/r/thehemingwaylist/comments/t9d9ai/buddenbrooks_book_7_chapter_4/",
"https://www.reddit.com/r/thehemingwaylist/comments/ta58nl/buddenbrooks_book_7_chapter_5/",
"https://www.reddit.com/r/thehemingwaylist/comments/tawqxx/buddenbrooks_book_7_chapter_6/",
"https://www.reddit.com/r/thehemingwaylist/comments/tbo20i/buddenbrooks_book_7_chapter_7/",
"https://www.reddit.com/r/thehemingwaylist/comments/tcgkl0/buddenbrooks_book_7_chapter_8/",
"https://www.reddit.com/r/thehemingwaylist/comments/td4kpa/buddenbrooks_part_8_chapter_1/",
"https://www.reddit.com/r/thehemingwaylist/comments/tduonj/buddenbrooks_part_8_chapter_2/",
"https://www.reddit.com/r/thehemingwaylist/comments/telmg2/buddenbrooks_part_8_chapter_3/",
"https://www.reddit.com/r/thehemingwaylist/comments/tfe9la/buddenbrooks_part_8_chapter_4/",
"https://www.reddit.com/r/thehemingwaylist/comments/tg9r2v/buddenbrooks_part_8_chapter_5/",
"https://www.reddit.com/r/thehemingwaylist/comments/th01i5/buddenbrooks_part_8_chapter_6/",
"https://www.reddit.com/r/thehemingwaylist/comments/thtvj7/buddenbrooks_part_8_chapter_7/",
"https://www.reddit.com/r/thehemingwaylist/comments/tihe24/buddenbrooks_part_8_chapter_8/",
"https://www.reddit.com/r/thehemingwaylist/comments/tj919k/buddenbrooks_part_8_chapter_9/",
"https://www.reddit.com/r/thehemingwaylist/comments/tk0lkg/buddenbrooks_part_9_chapter_1/",
"https://www.reddit.com/r/thehemingwaylist/comments/tktvcn/buddenbrooks_part_9_chapter_2/",
"https://www.reddit.com/r/thehemingwaylist/comments/tm3faw/buddenbrooks_part_9_chapter_3/",
"https://www.reddit.com/r/thehemingwaylist/comments/tnjwlz/buddenbrooks_part_9_chapter_4/",
"https://www.reddit.com/r/thehemingwaylist/comments/tolist/buddenbrooks_part_10_chapter_1/",
"https://www.reddit.com/r/thehemingwaylist/comments/tphi0a/buddenbrooks_part_10_chapter_2/",
"https://www.reddit.com/r/thehemingwaylist/comments/tq5vna/buddenbrooks_part_10_chapter_3/",
"https://www.reddit.com/r/thehemingwaylist/comments/tqvqyh/buddenbrooks_part_10_chapter_4/",
"https://www.reddit.com/r/thehemingwaylist/comments/ts4qc1/buddenbrooks_part_10_chapter_5/",
"https://www.reddit.com/r/thehemingwaylist/comments/tswtk1/buddenbrooks_part_10_chapter_6/",
"https://www.reddit.com/r/thehemingwaylist/comments/ttr702/buddenbrooks_part_10_chapter_7/",
"https://www.reddit.com/r/thehemingwaylist/comments/tuh2cs/buddenbrooks_part_10_chapter_8/",
"https://www.reddit.com/r/thehemingwaylist/comments/tv6x4x/buddenbrooks_part_10_chapter_9/",
"https://www.reddit.com/r/thehemingwaylist/comments/tvzrtz/buddenbrooks_part_11_chapter_1/",
"https://www.reddit.com/r/thehemingwaylist/comments/twtwy0/buddenbrooks_part_11_chapter_2_12/",
"https://www.reddit.com/r/thehemingwaylist/comments/txl1y5/buddenbrooks_part_11_chapter_2_23/",
"https://www.reddit.com/r/thehemingwaylist/comments/tydprm/buddenbrooks_part_11_chapter_2_33/",
"https://www.reddit.com/r/thehemingwaylist/comments/tyzx9h/buddenbrooks_part_11_chapter_3/",
"https://www.reddit.com/r/thehemingwaylist/comments/tzt8e2/buddenbrooks_part_11_chapter_4_final_chapter/"]

reddit = praw.Reddit(client_id='PLACEHOLDER CLIENT ID',
                     client_secret='PLACEHOLDER CLIENT SECRET',
                     user_agent='PLACEHOLDER USER AGENT')

tally = defaultdict(int)

for url in discussion_threads:
    submission = reddit.submission(url=url)
    # do away with MoreComments objects
    submission.comments.replace_more(limit=None)
    comments = submission.comments.list()
    for comment in comments:
        author = comment.author.name if comment.author else "[deleted]"
        tally[author] += 1

# output
print("Total participants: ", len(tally))
for index, k in enumerate(sorted(tally, key=tally.get, reverse=True)):
    print(index + 1, ':', k, tally[k])

The Google Apps Script script on the Oxford Book of English Verse spreadsheet to populate the column with total number of comments per thread:

function getNumberOfCommentsPerThread() {
  const outputSheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName("Data-noblanks");
  const dataRange = outputSheet.getRange("C2:C");
  const numRows = dataRange.getNumRows();
  const outputArray = [];

  for (let i = 1; i <= numRows; i++) {
    const url = dataRange.getCell(i,1).getValue();
    if (!url) break;
    const response = UrlFetchApp.fetch(url + '.json');
    const result = JSON.parse(response)[0].data.children[0];
    const data = result.data;
    outputArray.push([[data.num_comments]]);
  }

  console.log(outputArray);

  const range = "D2:D" + (outputArray.length + 1);
  outputSheet.getRange(range).setValues(outputArray);

  // set cell with last update date
  const now = new Date();
  outputSheet.getRange("G2").setValue('last update: ' + now.toISOString());
}