python学习笔记之021.py

最新推荐文章于 2024-08-01 19:45:58 发布

kingprince86

最新推荐文章于 2024-08-01 19:45:58 发布

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本文通过一个简单的购物清单示例介绍了如何使用Python进行列表的基本操作，包括打印列表长度、遍历列表元素、添加新元素到列表末尾、排序列表以及删除指定元素。

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#!/usr/bin/env python
# coding=utf-8
# Created Time: 2017-08-10 12:46:18
# Modified Time: 2017-08-10 13:11:33

# Filename: using_list.py

# This is my shopping list
shoplist = ['apple','mango','carrot','banana']

print 'I have', len(shoplist),'items to purchase.'

for item in shoplist:
print item,

print '\nI also have to buy rice.'
shoplist.append('rice')
print 'My shopping list is now', shoplist

print 'I will sort my list now'
shoplist.sort()
print 'Sorted shopping list is', shoplist

print 'The first item I will buy is', shoplist[0]
olditem = shoplist[0]
del shoplist[0]
print 'I bought the', olditem
print 'My shopping list is now', shoplist