import copy

x = copy.copy(y)        # make a shallow copy of y
x = copy.deepcopy(y)    # make a deep copy of y
具体有什么用,能举例吗?谢谢!

就是浅拷贝和深拷贝，一个只拷贝引用，一个拷贝了引用的实际对象

-- 
云电清华同方小民工

import copy
a=[1,4,5]
b=a
c=copy.copy(a)
b和c有什么区别?

On 7/17/06, 笨笨狗 <chen.ruijie at gmail.com> wrote:
> 就是浅拷贝和深拷贝，一个只拷贝引用，一个拷贝了引用的实际对象
>
> --
> 云电清华同方小民工
>
> _______________________________________________
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你最好还是拿本讲OO的书先了解一下基本概念吧，比在这里没头没脑的问问题要好多了

On 7/18/06, linda. s <samrobertsmith at gmail.com> wrote:
> import copy
> a=[1,4,5]
> b=a
> c=copy.copy(a)
> b和c有什么区别?
>
> On 7/17/06, 笨笨狗 <chen.ruijie at gmail.com> wrote:
> > 就是浅拷贝和深拷贝，一个只拷贝引用，一个拷贝了引用的实际对象
> >
> > --
> > 云电清华同方小民工
> >
> > _______________________________________________
> > python-chinese
> > Post: send python-chinese at lists.python.cn
> > Subscribe: send subscribe to python-chinese-request at lists.python.cn
> > Unsubscribe: send unsubscribe to  python-chinese-request at lists.python.cn
> > Detail Info: http://python.cn/mailman/listinfo/python-chinese
> >
> >
>
> _______________________________________________
> python-chinese
> Post: send python-chinese at lists.python.cn
> Subscribe: send subscribe to python-chinese-request at lists.python.cn
> Unsubscribe: send unsubscribe to  python-chinese-request at lists.python.cn
> Detail Info: http://python.cn/mailman/listinfo/python-chinese
>
>

晕，你要好好看书呐，书上有
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