3s and 5s

import argparse

def DivisibleByThree(value) :
    return value % 3 == 0

def DivisibleByFive(value)  :
    return value % 5 == 0

def DivisibleByThreeAndFive(value)   :
    return DivisibleByThree(value) and DivisibleByFive(value)

parser = argparse.ArgumentParser(description='Check for 3s and 5s.')
parser.add_argument('integer', type = int, help='the integer to check')

args = parser.parse_args()

i = args.integer

if DivisibleByThreeAndFive(i)  :
    print(i, 'is divisible by 3 and 5.')
elif DivisibleByThree(i)  :
    print(i, 'is divisible by 3.')
elif DivisibleByFive(i)  :
    print(i, 'is divisible by 5.')
else  :
    print(i, 'is not divisible by 3 or 5.')