Method to find keywords in title and comments of post.

.env

reddit_username=""
password=""
client_id=""
client_secret=""
user_agent="The best thing ever created by me!"

main.py

from praw.models import MoreComments
from dotenv import load_dotenv
import os
import praw

load_dotenv()

reddit = praw.Reddit(
    client_id=os.getenv('client_id'),
    client_secret=os.getenv('client_secret'),
    password=os.getenv('password'),
    user_agent=os.getenv('user_agent'),
    username=os.getenv('reddit_username')
)

submmission_list = []


def get_subreddit_comment_by_keyword(subreddit_name: str, keyword: str) -> None:
    subreddits = reddit.subreddit(subreddit_name).hot(limit=2000)
    for submission in subreddits:
        if keyword in submission.title.lower():
            submmission_list.append(submission)


def get_comment_by_keyword(submission_id: str, keyword: str) -> None:
    submission = reddit.submission(submission_id)
    print('\n' * 5 + "Post Title: " +submission.title + '\n' + '*' * 50)
    for comment in submission.comments:
        if isinstance(comment, MoreComments):
            continue
        if keyword in comment.body:
            print(comment.body)


if __name__ == "__main__":
    keyword = "twitter"
    get_subreddit_comment_by_keyword('news', keyword)
    for sub in submmission_list:
        get_comment_by_keyword(sub.id, keyword)