import praw
import datetime

# fill this out
client_id = ''
client_secret = ''
password = ''
user_agent = ''
username = ''

# this too
subreddit_to_clear = ""  # CASE SENSITIVE, don't include the /r/


r = praw.Reddit(client_id=client_id, client_secret=client_secret, password=password, user_agent=user_agent, username=username)

for i in r.user.moderator_subreddits(limit=None):
    if i.display_name == subreddit_to_clear:
        print(i.display_name)
        for thing in [j for j in i.mod.modqueue(limit=None)]:  # change "modqueue" to "unmoderated" if you want to clear that
            submissiontime = datetime.datetime.fromtimestamp(thing.created)  # don't touch
            comparetotime = datetime.datetime(2018, 3, 11)  # will approve/remove everything before this date, this is March 11th 2018
            if submissiontime < comparetotime:
                print(thing)
                print("approved")  # change to removed, or spam
                thing.mod.approve()  # changed "approve" to remove(spam=False) or remove(spam=True) to train spam filter
            else:
                print(thing)
                print("ignored")