#!/usr/bin/python

 #coding:utf-8

 ten_things = "apples oranges crows telephone light sugar"

 print "wait there's not 10 things in that list,let's fix that"

 stuff = ten_things.split(' ')  #10个东西，以' '间隔开

 more_stuff = ["day","night","song","frisbee","corn","banana","girl","boy"]  #更多的原料

 while len(stuff) != 10:  #取得List stuff的长度，当不等于10时循环

     next_one = more_stuff.pop()    #截取more_stuff的最后一个元素（默认值）

     print "adding:",next_one    #输出pop取得的值

     stuff.append(next_one)     #使用append将之前截取的值赋予list：stuff

     print "there's %d items now" % len(stuff)

 print "there we go : ",stuff

 print "let's do some things with stuff"

 print stuff[1]  #第二个元素，list从0计数

 print stuff[-1]  #whoa!fancy   最后一个元素(-1)

 print stuff.pop()

 print ' '.join(stuff)  #what?cool!

 print '#'.join(stuff[3:5])  # super stellar

 wait there's not 10 things in that list,let's fix that

 adding: boy

 there's 7 items now

 adding: girl

 there's 8 items now

 adding: banana

 there's 9 items now

 adding: corn

 there's 10 items now

 there we go :  ['apples', 'oranges', 'crows', 'telephone', 'light', 'sugar', 'boy', 'girl', 'banana', 'corn']

 let's do some things with stuff

 oranges

 corn

 corn

 apples oranges crows telephone light sugar boy girl banana

 telephone#light