How to check message for type int?

Question

Bots

The telegram bot should write the user's message to a variable. How to reject values ​​that are not in the int type and tell the user that he must enter exactly a number?

Answer 1

To begin with, you find out what type the message has, then you compare ==, if false, reject if true, accept.

Answer 2

Use a custom function

def is_number(number):
    try:
        int(number)
        return True
    except ValueError as ex:
        return False