Python论坛的帖子：

Wed Aug 9 18:52:31 HKT 2006

可以用一个python shell开两个tkinter吗?谢谢!

Hi

  请看看这个代码为什么，运行的时候说
  File "PARSIN~1.PY", line 24, in seq2Binary
    if int(c) > 0 :
   ValueError: invalid literal for int():

代码如下：
def seq2Binary(_self):
	count =0		
	for c in _self.frequence:
		if int(c)>0 :
			count += 1<
Hi
   请问python的字符串有trim方法吗？ 比如 '  123' 希望可以直接去掉前后的空格
还有python可以写3元操作吗？  Count += count>0?1<
On 8/9/06, 天才狐狸 <mem_fox at 263.net> wrote:
>
>
> Hi
>   请问python的字符串有trim方法吗？ 比如 '  123' 希望可以直接去掉前后的空格

" 1234 ".strip()

还有python可以写3元操作吗？  Count += count>0?1<
> 没有

-- 
Best Regards,
Leo Jay
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On 8/9/06, 天才狐狸 <mem_fox at 263.net> wrote:
>
> Hi
>
>   请看看这个代码为什么，运行的时候说
>   File "PARSIN~1.PY", line 24, in seq2Binary
>     if int(c) > 0 :
>    ValueError: invalid literal for int():
>
> 代码如下：
> def seq2Binary(_self):
>         count =0
>         for c in _self.frequence:
>                 if int(c)>0 :
>                         count += 1<>         return count
>
把c打印出来看看是什么东西？

-- 
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没明白你的意思，能换种说法吗？

On 8/9/06, linda. s <samrobertsmith at gmail.com> wrote:
>
> 可以用一个python shell开两个tkinter吗?谢谢!
>
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有类似的,不过不完全一样

a and b or c

On 8/9/06, Leo Jay <python.leojay at gmail.com> wrote:
>
> On 8/9/06, 天才狐狸 <mem_fox at 263.net> wrote:
> >
> > Hi
> >   请问python的字符串有trim方法吗？ 比如 '  123' 希望可以直接去掉前后的空格
>
> " 1234 ".strip()
>
> > 还有python可以写3元操作吗？  Count += count>0?1<> >
> >
> 没有
>
>
> --
> Best Regards,
> Leo Jay
> _______________________________________________
> 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
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>
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Python, I love this language.

有办法可以模拟 if  ? :
a and b or c
类似与C中的
if a ? b : c;
但是有一点要注意
表达式b必须为真,逻辑可以自己整理一下，便可以了解其中的奥妙~
dive into python 4.17中有介绍

On 8/9/06, Leo Jay <python.leojay at gmail.com> wrote:
>
>  On 8/9/06, 天才狐狸 <mem_fox at 263.net> wrote:
> >
> >
> > Hi
> >   请问python的字符串有trim方法吗？ 比如 '  123' 希望可以直接去掉前后的空格
>
>
>  " 1234 ".strip()
>
> 还有python可以写3元操作吗？  Count += count>0?1<> >
> > 没有
>
>
> --
> Best Regards,
>
> Leo Jay
>
> _______________________________________________
> 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
>
>

-- 
wangyingqi
c++/python/palm/
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Py2.5里有了

不过我个人认为多余。

On 8/9/06, wang yingqi <wangyingqi at gmail.com> wrote:
>
> 有办法可以模拟 if  ? :
>
> a and b or c
>
> 类似与C中的
> if a ? b : c;
> 但是有一点要注意
> 表达式b必须为真,逻辑可以自己整理一下，便可以了解其中的奥妙~
> dive into python 4.17中有介绍
>
>
>
> On 8/9/06, Leo Jay <python.leojay at gmail.com> wrote:
> >
>
>
>
> On 8/9/06, 天才狐狸 <mem_fox at 263.net > wrote:
> >
> > Hi
> >   请问python的字符串有trim方法吗？ 比如 '  123' 希望可以直接去掉前后的空格
>
>
>
> " 1234 ".strip()
>
>
> > 还有python可以写3元操作吗？  Count += count>0?1<> >
> >
>
> 没有
>
>
> --
> Best Regards,
>
> Leo Jay
> _______________________________________________
> 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
>
>
>
>
>
> --
> wangyingqi
> c++/python/palm/
> _______________________________________________
> 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
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>
>

>>> s=' 123'
>>> s.strip()
'123'

On 8/10/06, shhgs <shhgs.efhilt at gmail.com> wrote:
>
> Py2.5里有了
>
> 不过我个人认为多余。
>
> On 8/9/06, wang yingqi <wangyingqi at gmail.com> wrote:
> >
> > 有办法可以模拟 if  ? :
> >
> > a and b or c
> >
> > 类似与C中的
> > if a ? b : c;
> > 但是有一点要注意
> > 表达式b必须为真,逻辑可以自己整理一下，便可以了解其中的奥妙~
> > dive into python 4.17中有介绍
> >
> >
> >
> > On 8/9/06, Leo Jay <python.leojay at gmail.com> wrote:
> > >
> >
> >
> >
> > On 8/9/06, 天才狐狸 <mem_fox at 263.net > wrote:
> > >
> > > Hi
> > >   请问python的字符串有trim方法吗？ 比如 '  123' 希望可以直接去掉前后的空格
> >
> >
> >
> > " 1234 ".strip()
> >
> >
> > > 还有python可以写3元操作吗？  Count += count>0?1<> > >
> > >
> >
> > 没有
> >
> >
> > --
> > Best Regards,
> >
> > Leo Jay
> > _______________________________________________
> > 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
> >
> >
> >
> >
> >
> > --
> > wangyingqi
> > c++/python/palm/
> > _______________________________________________
> > 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
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>
>

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标题：[python-chinese] Re: tkinter