import asyncio
from telethon import TelegramClient, events
api_id = 545451
api_hash = '045454545458e3b822dea0'
client = TelegramClient('session_id', api_id, api_hash)
client.start()
@client.on(events.NewMessage)
async def my_event_handler(event):
print(event)
if '-10454545545238' in str(event):
await client.send_message('
@sdfsdf', event.raw_text)
client.run_until_disconnected()