From 4630c09351ecc460a03950cb93eacd9fa36799f1 Mon Sep 17 00:00:00 2001 From: Georg Brandl Date: Sat, 10 Oct 2009 21:49:24 +0000 Subject: Merged revisions 75322 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r75322 | georg.brandl | 2009-10-10 23:47:31 +0200 (Sa, 10 Okt 2009) | 1 line Show use of range() step argument nicely. ........ --- Demo/scripts/beer.py | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/Demo/scripts/beer.py b/Demo/scripts/beer.py index f050572..8135509 100644 --- a/Demo/scripts/beer.py +++ b/Demo/scripts/beer.py @@ -1,14 +1,20 @@ #! /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]) +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) + ".") + +for i in range(n, 0, -1): + print(bottle(i), "on the wall,") + print(bottle(i) + ".") print("Take one down, pass it around,") - print(bottle(n-i-1), "on the wall.") + print(bottle(i-1), "on the wall.") -- cgit v0.12