import praw
import configparser
import pandas as pd
import uuid

config_path = '<configfilenamegoeshere>'
config = configparser.ConfigParser()
config.read(config_path)

# I'm often reusing authentication part from config file above for convenience but you can define parameters directly here

reddit = praw.Reddit(client_id=config['reddit']['client_id'],
                     client_secret=config['reddit']['client_secret'],
                     user_agent=config['reddit']['user_agent'],
                     password=config['reddit']['password'],
                     username=config['reddit']['username'])

comments = pd.read_csv('comment_headers.csv')
# optional part - I wanted to delete comments from specific sub only
comments = comments[(comments.subreddit == '<subredditnamegoeshere>')]
comments = comments.reset_index()

for index, row in comments.iterrows():
    print(f'{index+1} / {len(comments)}: {row.id}')
    try:
        comment = reddit.comment(row.id)
# optional part - replacing comment contents with noise before deleting, makes it much slower but you can do it just in case reddit stores it anyway (supposedly they don't store history so...)
        comment.edit(body = uuid.uuid4())
        comment.delete()
    except Exception as zonk:
        print(f'failed: {zonk}')
print('done')