Как из Telegram ID сделать Username

from telethon import TelegramClient
from telethon.tl.functions.users import GetFullUserRequest
 
async def find_user(username):
    return await client(GetFullUserRequest(username))
 
api_id = 1234567
api_hash = 'deadbeef12345abcdef67890deadbeef'
client = TelegramClient('anon', api_id, api_hash)
    
async def main():
    full = await find_user('username to find')
    print(full.user.id)
 
with client:
    client.loop.run_until_complete(main())

def TG_Finder1(message):
    
    user_id= str(message.text)
    
    async def find_user(username):
        return await client(GetFullUserRequest(username))
 
    async def main(user_id):
        full = await find_user(user_id)
        print(full.user.username)
     
    with client:
        client.loop.run_until_complete(main(user_id))

from aiogram import Bot, Dispatcher, executor, types
from telethon import TelegramClient
from telethon.tl.functions.users import GetFullUserRequest
 
API_TOKEN = '...bot_token...'
bot = Bot(token=API_TOKEN)
dp = Dispatcher(bot)
 
api_id = ...api_id...
api_hash = '...api_hash...'
client = TelegramClient('anon', api_id, api_hash)
 
async def find_user(id_):
    return await client(GetFullUserRequest(int(id_)))
 
@dp.message_handler(regexp=r'find \d{9}')
async def start_msg(message: types.Message):
    id_ = message.text.split()[1]
    async with client:
        try:
            full = await find_user(id_) # 113797674 
        except ValueError:
            return await message.answer(f'User ID {id_} not found') 
    await message.answer(full.user.username) 
 
if __name__ == '__main__':
    executor.start_polling(dp, skip_updates=True)

from telethon import TelegramClient, events
from telethon.tl.functions.users import GetFullUserRequest
 
async def find_user(id_):
    return await client(GetFullUserRequest(int(id_)))
 
api_id = ...api_id...
api_hash = '...api_hash...'
client = TelegramClient('anon', api_id, api_hash)
 
@client.on(events.NewMessage(pattern=r'find \d{9}'))
async def my_event_handler(event):
    id_ = event.raw_text.split()[1]
    try:
        full = await find_user(id_)
    except ValueError:
        return await event.respond(f'User ID {id_} not found') 
    await event.respond(f'@{full.user.username}')
 
client.start()
client.run_until_disconnected()

user = await bot.get_chat(12345678)
username = user.username