Получаем данные пользователей, username, user id, из групп телеграм

from telethon import TelegramClient
api_id = '********'
api_hash = '***************'
client = TelegramClient('my_account', api_id, api_hash)

chtid = -************
clean_usernames = []

async def getter():
    participants = await client.get_participants(chtid)
    print(participants)
    #for user in participants:
     #   if user.id is not None:
      #      clean_usernames.append(user.id)
    #print(clean_usernames)

with client:
    client.loop.run_until_complete(getter())