Demo/scripts/beer.py

   1 #! /usr/bin/env python
   2 # By GvR, demystified after a version by Fredrik Lundh.
   3 import sys
   4 n = 100
   5 if sys.argv[1:]: n = int(sys.argv[1])
   6 def 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"
  10 for 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."