TMDB list to CSV for import on Letterboxd

tmdb_csv.py

import tmdbsimple as tmdb
import csv

tmdb.API_KEY = 'YOUR API KEY HERE'
list_id = ID OF THE LIST

movies = tmdb.Lists(list_id).info()['items']
movie_ids = [mov['id'] for mov in movies]

with open(f"tmdb_{list_id}.csv", "w") as f:
    csvwriter = csv.writer(f)
    csvwriter.writerow(['tmdbID'])
    for mid in movie_ids:
        csvwriter.writerow([mid])