Discussion from http://cnodejs.org/topic/5360a2421a14133a2e00f008

fizz_buzz_whizz.py

#!/usr/bin/env python
import sys
CASE1 = 1
CASE2 = 5
CASE3 = 7
WORD1 = 'Fizz'
WORD2 = 'Buzz'
WORD3 = 'Whizz'
def filter(num):
    if str(CASE1) in str(num):
        print(WORD1)
        return
    if num % CASE1 == 0:
        sys.stdout.write(WORD1)
    if num % CASE2 == 0:
        sys.stdout.write(WORD2)
    if num % CASE3 == 0:
        sys.stdout.write(WORD3)

def main():
    filter(int(raw_input('Please input a number: ')))

if __name__ == '__main__':
    main()