FortniteIsCancerBot for Posts

import praw
import datetime
from time import sleep

def replace_with_case(string, sub, repl):
  result = []
  i = string.lower().find(sub.lower())
  while i != -1 and string:
      result.append(string[:i])
      word = []
      string = string[i:]
      for j, letter in enumerate(repl):
        if string[j].islower():
          word.append(letter.lower())
        elif string[j].isupper():
          word.append(letter.upper())
        else:
          word.append(letter)
      result.append("".join(word))
      string = string[len(sub):]
      i = string.lower().find(sub.lower())
  result.append(string)
  return "".join(result)

reddit = praw.Reddit(client_id = "confidential :0",
            client_secret = "confidential :0",
            user_agent = "fortniteiscancerbot (posts) v1.0",
            username = "FortniteIsCancerBot",
            password = "confidential :0")
subreddit = reddit.subreddit("all")

made = []

while True:
    try:
        while True:
            for submission in subreddit.stream.submissions():
                if submission not in made and "fortnite" in str(submission.title).lower() and "fortnite" not in str(submission.subreddit).lower():
                    replaced = replace_with_case(str(submission.title), "fortnite", "cancer")
                    replaced = replace_with_case(replaced, "battle royale", "autism royale")
                    replaced = replace_with_case(replaced, "save the world", "save the whore")
                    replaced = replace_with_case(replaced, "br", "ar")
                    replaced = replace_with_case(replaced, "cancer creative", "cancer uncreative")

                    ftfy = """>""" + replaced + """

FTFY
^(Bleep bloop. I am a carcinogenic bot | ) ^[info](http://redd.it/amo7ot/)"""
                    print("""

Submission: """ + str(datetime.datetime.now()))
                    print(replaced)
                    submission.reply(ftfy)
                    made.append(submission)
                    sleep(10)
    except:
        continue

"""
while True:
    try:
        for comment in subreddit.stream.comments():
            if "fortnite" in str(comment.body).lower() and len(comment.body.splitlines()) == 1 and len(str(comment.body)) < 75 and "fortnite" not in str(comment.subreddit).lower():
                ftfy = """>""" + replace_with_case(comment.body, "fortnite", "cancer") + ""

FTFY
^(Bleep bloop. I am a carcinogenic bot)""
                print("Comment:" + str(datetime.datetime.now()))
                print(ftfy)
                comment.reply(ftfy)
    except:
        continue