Notify actions for when a user joins or leaves the group

Notifyactionsbot.py

__author__ = "Vycktor Stark"
import json, requests, re, time
SECRET_KEY = '523403928:ARxEXsjjhdosifoTm_QKPR_hy-EOcY0Qi4' # Define your bot's token
TELEGRAM_API = f'https://api.telegram.org/bot{SECRET_KEY}'
forward_chat_information = 438131290 # id to forward chat information

def polling():
	temp = 100
	while True:
		data = requests.get(f"{TELEGRAM_API}/getUpdates", params=dict(offset=temp, timeout=int(temp+1), allowd_updates='message'), headers={"Content-Type": "application/json"})
		data = dict(data.json())
		if len(data["result"]) == 0:
			resp = json.dumps(dict(ping='pong')) 
		elif ("result" in data):
			temp  = int(data['result'][0]['update_id']  + 1)
			resp = data['result'][0]
		handler(resp)

def ident(msg, params):
	try:
		user = msg['first_name']
		if ("last_name" in msg): user = f"{user} {msg['last_name']}"
		if ('username' in msg):
			params['parse_mode'] = 'HTML'
			user = f"<a href='https://t.me/{msg['username']}'>{user}</a>"
		user = f"{user} ({msg['from']['id']})"
	except Exception as error:
		user = "404 - Not Found"
	return user

def handler(vetor):
	print(vetor)
	if ("message" in vetor):
		msg = vetor["message"]
		params = dict(chat_id = forward_chat_information, text = 'PONG')
		if (("left_chat_member" or "left_chat_members") in msg):
			params['text'] = f'User {ident(msg['left_chat_member'], params)} left chat'

		if (("new_chat_participant" or "new_chat_member" or "new_chat_members") in msg):
			params['text'] = f'User {ident(msg['new_chat_member'], params)} join chat'

		requests.post(f"{TELEGRAM_API}/sendMessage", params=params, headers={'Content-Type':'application/json'})

if __name__ == '__main__':
	try:
		print("\nstarting bot")
		polling()
	except KeyboardInterrupt:
		print("\nending bot")