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modify typo #99

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modify typo #99

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4 changes: 2 additions & 2 deletions 209.md
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Expand Up @@ -166,7 +166,7 @@ Python 3中也有异常：

##调用覆盖的方法

承接前面的问题和程序，可以对子类`Gril`做出这样的修改。
承接前面的问题和程序，可以对子类`Girl`做出这样的修改。

class Girl(Person):
def __init__(self, name):
Expand Down Expand Up @@ -207,7 +207,7 @@ Python 3中也有异常：
def get_name(self):
return self.name

仅仅修改一处，将`Person.__init__(self, name)`去掉，修改为`super(Girl, self).__init__(name)`。实行程序后，显示的结果与以前一样。
仅仅修改一处，将`Person.__init__(self, name)`修改为`super(Girl, self).__init__(name)`。执行程序后，显示的结果与以前一样。

关于`super`，有人做了非常深入的研究，推荐读者阅读[《Python’s super() considered super! 》](https://rhettinger.wordpress.com/2011/05/26/super-considered-super/)，文中已经探究了`super`的工作过程。读者如果要深入了解，可以阅读这篇文章。

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