/Demo/scripts/beer.py

 1#! /usr/bin/env python
 2# By GvR, demystified after a version by Fredrik Lundh.
 3import sys
 4n = 100
 5if sys.argv[1:]: n = int(sys.argv[1])
 6def bottle(n):
 7    if n == 0: return "no more bottles of beer"
 8    if n == 1: return "one bottle of beer"
 9    return str(n) + " bottles of beer"
10for i in range(n):
11    print bottle(n-i), "on the wall,"
12    print bottle(n-i) + "."
13    print "Take one down, pass it around,"
14    print bottle(n-i-1), "on the wall."