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字符串的合并和占位符的使用
注意在%号前不能有引号。

1.  1 # -*- coding:utf-8 -*-
    2 my_name =‘中国‘
    3 my_age =35
    4 my_height =74
    5 my_weight =180
    6 my_teeth =‘White‘
    7 my_hair =‘Brown‘
    8 print("Let‘s talk about %s."% my_name)
    9 print("He‘s %d inch tall, %s"%(my_height, my_name))
   10 #test注意
   11 print("Let‘s add my height %d to my weight %d,and get the result: %d"%(my_height,my_weight,my_height+my_weight))

    

另一个例子：

1.  1 x ="There are %d types of people"%10
    2 binary ="binary"
    3 do_not ="don‘t"
    4 y="Those who know %s and those who %s."%(binary,do_not)
    5 print x
    6 print y
    7 print"I said:%r"%x
    8 print"I also said: ‘%s‘."% y
    9 hilarious =False
   10 joke_evaluation ="Isn‘t that Joke so funny?! %r"
   11 print joke_evaluation %hilarious
   12 w="This is the left side of ..."
   13 e="a string with a right side."
   14 print w+e

    

运行结果：

There are 10 types of people
Those who know binary and those who don‘t.
I said:‘There are 10 types of people‘
I also said: ‘Those who know binary and those who don‘t.‘.
Isn‘t that Joke so funny?! False
This is the left side of ...a string with a right side.

学习笔记-20150519

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原文地址：http://www.cnblogs.com/dabiao/p/4516216.html