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https://github.com/python/cpython
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Tip revision: 3540ef16c19f2260e347a679cb27d44ba734bec6 authored by Guido van Rossum on 31 August 2007, 15:07:53 UTC
Tagging for release of Python 3.0a1.
Tip revision: 3540ef1
beer.py
#! /usr/bin/env python
# By GvR, demystified after a version by Fredrik Lundh.
import sys
n = 100
if sys.argv[1:]: n = int(sys.argv[1])
def bottle(n):
    if n == 0: return "no more bottles of beer"
    if n == 1: return "one bottle of beer"
    return str(n) + " bottles of beer"
for i in range(n):
    print(bottle(n-i), "on the wall,")
    print(bottle(n-i) + ".")
    print("Take one down, pass it around,")
    print(bottle(n-i-1), "on the wall.")
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