python学习笔记之021.py

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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