how to know if a input is a interger in python

1whatever = input("Pick an integer > ")
2    try:
3        whatever_as_an_integer = int(whatever)
4        print("That was an integer.")
5
6    except ValueError:
7        print("That is not an integer.")

1inp = input('somrthing: ')
2
3if inp.isnumeric():
4    print('THat was a integer.')
5else:
6    print('That was not a integer.')

1whatever = input("Pick an integer > ")
2try:
3	whatever_as_an_integer = int(whatever)
4   	print("That was an integer.")
5
6except ValueError:
7    print("That is not an integer.")

1def check_user_input(input):
2    try:
3        # Convert it into integer
4        val = int(input)
5        print("Input is an integer number. Number = ", val)
6    except ValueError:
7        try:
8            # Convert it into float
9            val = float(input)
10            print("Input is a float  number. Number = ", val)
11        except ValueError:
12            print("No.. input is not a number. It's a string")