how to check if a input is a integer or not in python 3 code example

Example 1: how to know if a input is a interger in 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

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.")