python mkae a input int without using try except code example

Example 1: python test if string is int

'16'.isdigit()
>>>True

'3.14'.isdigit()
>>>False

'Some text'.isdigit()
>>>False

Example 2: pyton how to tell if string is a int or string

def RepresentsInt(s):
    try: 
        int(s)
        return True
    except ValueError:
        return False