Select all valid function designs that meet the following specification and code quality guidelines:

Design a function that will determine whether a given whole number is negative and returns the answer

O def is negative (num:int): prints yes if num is negative, no otherwise >>> is negative (-10) yes >>>> is negative (0) no >>> is negative (55) no if num bool: ) : returns True if num is negative, False otherwise >>>> is negative (-10) True >>> is negative (O) False >>> is negative (55) False if num bool: returns True if num is negative, False otherwise >>> is negative (-10) True if num bool: returns True if num is negative, False otherwise >>> is negative (-10) True >>> is negative (0) False >>>> is negative (55) False 23 return num