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Code Issues Releases Wiki Activity

Show use of range() step argument nicely.

This commit is contained in:
Georg Brandl 2009-10-10 21:47:31 +00:00
parent 0b798a9d4d
commit 3d072c9587
1 changed files with 11 additions and 5 deletions
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16
Demo/scripts/beer.py
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@ -1,14 +1,20 @@
#! /usr/bin/env python #! /usr/bin/env python
# By GvR, demystified after a version by Fredrik Lundh. # By GvR, demystified after a version by Fredrik Lundh.
import sys import sys
n = 100 n = 100
if sys.argv[1:]: n = int(sys.argv[1]) if sys.argv[1:]:
n = int(sys.argv[1])
def bottle(n): def bottle(n):
if n == 0: return "no more bottles of beer" if n == 0: return "no more bottles of beer"
if n == 1: return "one bottle of beer" if n == 1: return "one bottle of beer"
return str(n) + " bottles of beer" return str(n) + " bottles of beer"
for i in range(n):
print bottle(n-i), "on the wall," for i in range(n, 0, -1):
print bottle(n-i) + "." print bottle(i), "on the wall,"
print bottle(i) + "."
print "Take one down, pass it around," print "Take one down, pass it around,"
print bottle(n-i-1), "on the wall." print bottle(i-1), "on the wall."