from telethon.sync import TelegramClient 

# get your api_id, api_hash, token 
# from telegram as described above 
api_id = '2452309'
api_hash = '4cc6a58946508e59547d15d530a421ae'

# your phone number 
phone = '+13616553044'

# creating a telegram session and assigning 
# it to a variable client 
client = TelegramClient('session', api_id, api_hash) 

# connecting and building the session 
client.connect() 

# in case of script ran first time it will 
# ask either to input token or otp sent to 
# number or sent or your telegram id 
if not client.is_user_authorized(): 
	client.send_code_request(phone) 
	
	# signing in the client 
	client.sign_in(phone, input('Enter the code: ')) 
try: 
	schlingelId=5070349790
	client.send_message(schlingelId, "test message", parse_mode='html')
except Exception as e: 
	# there may be many error coming in while like peer 
	# error, wwrong access_hash, flood_error, etc 
	print(e); 

# disconnecting the telegram session 
client.disconnect()