Extended FizzBuzz in Python

ext-fb.py

#!/bin/env python

# Needs python 2.7 or later
from collections import OrderedDict

substitutions = OrderedDict([(3, 'Fizz'), (5, 'Buzz'), (7, 'Quxx')])

for i in xrange(1, 128):
    line = ''
    # This depends on the ordering of keys in the dict
    for n in substitutions.keys():
        if i % n == 0:
            line += substitutions[n]
    print line or i