Show use of range() step argument nicely.
diff --git a/Demo/scripts/beer.py b/Demo/scripts/beer.py
index 1b9ac8b..e331cc9 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."