how to check if an input is not an integer in python code example

Example 1: how to check if a input is an integer python

whatever = input("Pick an integer > ")
try:
	whatever_as_an_integer = int(whatever)
   	print("That was an integer.")

except ValueError:
    print("That is not an integer.")

Example 2: how to check if a input is an integer python

def check_user_input(input):
    try:
        # Convert it into integer
        val = int(input)
        print("Input is an integer number. Number = ", val)
    except ValueError:
        try:
            # Convert it into float
            val = float(input)
            print("Input is a float  number. Number = ", val)
        except ValueError:
            print("No.. input is not a number. It's a string")