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  r75322 | georg.brandl | 2009-10-10 23:47:31 +0200 (Sa, 10 Okt 2009) | 1 line

  Show use of range() step argument nicely.
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This commit is contained in:
Georg Brandl 2009-10-10 21:49:24 +00:00
parent 2a354cd8cd
commit 4630c09351
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
# 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.")