Fizzbuzz without division or modulus

fizzbuzz.py

def fizz0():
    global fizz
    fizz = fizz1
    return "Fizz"

def fizz1():
    global fizz
    fizz = fizz2
    return ""

def fizz2():
    global fizz
    fizz = fizz0
    return ""

def buzz0():
    global buzz
    buzz = buzz1
    return "Buzz"

def buzz1():
    global buzz
    buzz = buzz2
    return ""

def buzz2():
    global buzz
    buzz = buzz3
    return ""

def buzz3():
    global buzz
    buzz = buzz4
    return ""

def buzz4():
    global buzz
    buzz = buzz0
    return ""

fizz = fizz1
buzz = buzz1

for n in range(1, 101):
    print fizz() + buzz() or n