Input

def intInput(prompt):

    while(True):

        try:

            a = int(input(prompt))

            return a

        except:

            print("That was not a valid integer. Try again.")

num = intInput("Enter a number: ")

def floatInput(prompt):

    while(True):

        try:

            b = float(input(prompt))

            return b

        except:

            print("That was not a valid decimal number. Try again.")

decimal = floatInput("Enter a decimal number: ")