| Guido van Rossum | b55f9ff | 1998-12-21 18:30:20 +0000 | [diff] [blame] | 1 | #! /usr/bin/env python |
| Georg Brandl | 3d072c9 | 2009-10-10 21:47:31 +0000 | [diff] [blame] | 2 | |
| Guido van Rossum | b55f9ff | 1998-12-21 18:30:20 +0000 | [diff] [blame] | 3 | # By GvR, demystified after a version by Fredrik Lundh. |
| Georg Brandl | 3d072c9 | 2009-10-10 21:47:31 +0000 | [diff] [blame] | 4 | |
| Guido van Rossum | b55f9ff | 1998-12-21 18:30:20 +0000 | [diff] [blame] | 5 | import sys |
| Georg Brandl | 3d072c9 | 2009-10-10 21:47:31 +0000 | [diff] [blame] | 6 | |
| Guido van Rossum | b55f9ff | 1998-12-21 18:30:20 +0000 | [diff] [blame] | 7 | n = 100 |
| Georg Brandl | 3d072c9 | 2009-10-10 21:47:31 +0000 | [diff] [blame] | 8 | if sys.argv[1:]: |
| 9 | n = int(sys.argv[1]) |
| 10 | |
| Guido van Rossum | b55f9ff | 1998-12-21 18:30:20 +0000 | [diff] [blame] | 11 | def bottle(n): |
| 12 | if n == 0: return "no more bottles of beer" |
| 13 | if n == 1: return "one bottle of beer" |
| 14 | return str(n) + " bottles of beer" |
| Georg Brandl | 3d072c9 | 2009-10-10 21:47:31 +0000 | [diff] [blame] | 15 | |
| 16 | for i in range(n, 0, -1): |
| 17 | print bottle(i), "on the wall," |
| 18 | print bottle(i) + "." |
| Guido van Rossum | b55f9ff | 1998-12-21 18:30:20 +0000 | [diff] [blame] | 19 | print "Take one down, pass it around," |
| Georg Brandl | 3d072c9 | 2009-10-10 21:47:31 +0000 | [diff] [blame] | 20 | print bottle(i-1), "on the wall." |