ForLineIntxtDoTweepy.py

import tweepy 
from tweepy import API

auth = tweepy.OAuthHandler("CONSUMER_KEY", "CONSUMER_SECRET")
auth.set_access_token("ACCESS_TOKEN", "ACCESS_TOKEN_SECRET")

api = tweepy.API(auth, wait_on_rate_limit=True, wait_on_rate_limit_notify=True, compression=True)

path = '/location/for/list/file_with_name_list.txt'
with open(path, 'r') as f:
    for line in f:
      try:  
        api.add_list_member(slug = 'my_listname', screen_name = line, owner_screen_name = 'my_username')
      except:
        pass

close()


path = '/location/for/blocklist.csv'
with open(path, 'r') as f:
    for line in f:
      try:  
        api.create_block(line)
      except:
        pass

close()