Reddit Scrapper to Get All Text Between Dates

scrapper.py

import praw
from psaw import PushshiftAPI
import datetime as dt

api = PushshiftAPI()

posts_per_call = 100
# 26352000 seconds in range
seconds_between_calls = 26352000/posts_per_call

# class of 2020: Aug 2019 to June 2020
# class of 2021: Aug 2020 to June 2021
start_epoch = int(dt.datetime(2019, 8, 1).timestamp())
end_epoch = int(dt.datetime(2020, 6, 1).timestamp())

sub = 'sat'

f = open(sub + ".txt", "w")
print("Started work on " + sub)
while start_epoch < end_epoch:
    currentEnd = start_epoch + seconds_between_calls
    results = api.search_submissions(after = int(start_epoch),
                                    before = int(currentEnd),
                                    subreddit=sub,
                                    filter=['selftext'],
                                    limit=posts_per_call)
    start_epoch += seconds_between_calls
    for i in list(results):
        try:
            body = i.d_['selftext']
            if (body != "[deleted]" and body != "[removed]"):
                f.write(body)
        except:
            print("Error: moving on")
f.close()