How to make the bot respond if there is a keyword in the text?

Question

Python

for example, a person writes hello to someone and the bot accepts hello as for himself

if textl.lower() == 'привет':
            try:
                vk.messages.send(
                    peer_id=peer_id,
                    message='привет',
                    random_id=get_random_id(),
                )
            except Exception as e:
                print ("Сообщение не отправленно")

Answer 1

if "слово" in text.lower():
   ...