Is a number odd and divisible by 7?

is_odd.py

#!/usr/bin/env python

def is_odd(number):
    if number % 2 == 0:
        return False
    else:
        return True

def is_mul_seven(number):
    return number % 7 == 0

print("I'm looking for an odd number that is a multiple of seven.")

while True:
    number = int(raw_input("Give me a number: "))

    if is_odd(number):
        print("Your number is odd! W00t!")

        if is_mul_seven(number):
            print("Your number is also a multiple of seven! Great!")
            break
        else:
            print("But it doesn't divide by seven! One more time?")

    else:
        print("That number isn't even vaguely odd!")