1、变量互换
a = 123 b = 456 temp = a a = b b = temp
python比较简单的变量互换:
a = 123 b = 456 a,b = b,a print(a,b)
2、将列表中最大的值放置到最后
#
!usr/bin/env python
#
-*- coding:utf-8 -*-
li = [11,44,33,66,22]
for i in range(len(li)-1):
if li[i] > li[i+1]:
temp = li[i]
li[i] = li[i+1]
li[i+1] = temp
print(li)
3、循环嵌套冒泡排序法
#
!usr/bin/env python
#
-*- coding:utf-8 -*-
li = [11,44,33,66,77,99,44]
for r in range(1,len(li)):
for i in range(len(li)-r): #1,2,3if li[i] > li[i+1]:
temp = li[i]
li[i] = li[i+1]
li[i+1] = temp
print(li)
原文:http://www.cnblogs.com/sunshuhai/p/6388650.html
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