含有0个或1个项目的元组。一个空的元组由一对空的圆括号组成，如myempty = ()。然而，含有
单个元素的元组就不那么简单了。你必须在第一个（唯一一个）项目后跟一个逗号，这样Python
才能区分元组和表达式中一个带圆括号的对象。即如果你想要的是一个包含项目2的元组的时
候，你应该指明singleton = (2 , )。

--摘自《简明 Python 教程》

问题1：singleton = (2 , )是元组而singleton = (2)就不是元组？
问题2：singleton = (2)不是元组是什么呢？ 

>>> singleton = (2)
>>> type(singleton)


ÔÚ05-5-23£¬„¢ÀÚ <liul at dhc.com.cn> дµÀ£º 
> 
> º¬ÓÐ0¸ö»ò1¸öÏîÄ¿µÄÔª×é¡£Ò»¸ö¿ÕµÄÔª×éÓÉÒ»¶Ô¿ÕµÄÔ²À¨ºÅ×é³É£¬Èçmyempty = ()¡£È»¶ø£¬º¬ÓÐ
> µ¥¸öÔªËصÄÔª×é¾Í²»ÄÇô¼òµ¥ÁË¡£Äã±ØÐëÔÚµÚÒ»¸ö£¨Î¨Ò»Ò»¸ö£©ÏîÄ¿ºó¸úÒ»¸ö¶ººÅ£¬ÕâÑùPython
> ²ÅÄÜÇø·ÖÔª×éºÍ±í´ïʽÖÐÒ»¸ö´øÔ²À¨ºÅµÄ¶ÔÏó¡£¼´Èç¹ûÄãÏëÒªµÄÊÇÒ»¸ö°üº¬ÏîÄ¿2µÄÔª×éµÄʱ
> ºò£¬ÄãÓ¦¸ÃÖ¸Ã÷singleton = (2 , )¡£
> 
> --Õª×Ô¡¶¼òÃ÷ Python ½Ì³Ì¡·
> 
> ÎÊÌâ1£ºsingleton = (2 , )ÊÇÔª×é¶øsingleton = (2)¾Í²»ÊÇÔª×飿
> ÎÊÌâ2£ºsingleton = (2)²»ÊÇÔª×éÊÇʲôÄØ£¿
> 
> _______________________________________________
> python-chinese list
> python-chinese at lists.python.cn
> http://python.cn/mailman/listinfo/python-chinese
>
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>>> singleton = ('string')
>>> type(singleton)


ÔÚ05-5-23£¬fla liu <fla.liu at gmail.com> дµÀ£º 
> 
> >>> singleton = (2)
> >>> type(singleton)
> 
> 
> ÔÚ05-5-23£¬„¢ÀÚ <liul at dhc.com.cn> дµÀ£º 
> > 
> > º¬ÓÐ0¸ö»ò1¸öÏîÄ¿µÄÔª×é¡£Ò»¸ö¿ÕµÄÔª×éÓÉÒ»¶Ô¿ÕµÄÔ²À¨ºÅ×é³É£¬Èçmyempty = ()¡£È»¶ø£¬º¬ÓÐ
> > µ¥¸öÔªËصÄÔª×é¾Í²»ÄÇô¼òµ¥ÁË¡£Äã±ØÐëÔÚµÚÒ»¸ö£¨Î¨Ò»Ò»¸ö£©ÏîÄ¿ºó¸úÒ»¸ö¶ººÅ£¬ÕâÑùPython
> > ²ÅÄÜÇø·ÖÔª×éºÍ±í´ïʽÖÐÒ»¸ö´øÔ²À¨ºÅµÄ¶ÔÏó¡£¼´Èç¹ûÄãÏëÒªµÄÊÇÒ»¸ö°üº¬ÏîÄ¿2µÄÔª×éµÄʱ 
> > ºò£¬ÄãÓ¦¸ÃÖ¸Ã÷singleton = (2 , )¡£
> > 
> > --Õª×Ô¡¶¼òÃ÷ Python ½Ì³Ì¡·
> > 
> > ÎÊÌâ1£ºsingleton = (2 , )ÊÇÔª×é¶øsingleton = (2)¾Í²»ÊÇÔª×飿
> > ÎÊÌâ2£ºsingleton = (2)²»ÊÇÔª×éÊÇʲôÄØ£¿
> > 
> > _______________________________________________
> > python-chinese list 
> > python-chinese at lists.python.cn
> > http://python.cn/mailman/listinfo/python-chinese
> > 
> 
>
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元组是啥，我不懂。我土
看你写的东东很像list 数据结构。。。

singleton = (2 , ) 就是list 表示有两个元素。
singleton = (2) 这样写。"()" 就表示优先级。和 singleton = (1+1) 一样。

>>> singleton = (1+1)
>>> singleton
2
>>> singleton = (2)
>>> singleton
2
>>>

-----Original Message-----
From: python-chinese-bounces at lists.python.cn [mailto:python-chinese-bounces at lists.python.cn] On Behalf Of 劉磊
Sent: Monday, May 23, 2005 12:17 PM
To: python-chinese at lists.python.cn
Subject: [python-chinese] 请教关于元组的问题

含有0个或1个项目的元组。一个空的元组由一对空的圆括号组成，如myempty = ()。然而，含有
单个元素的元组就不那么简单了。你必须在第一个（唯一一个）项目后跟一个逗号，这样Python
才能区分元组和表达式中一个带圆括号的对象。即如果你想要的是一个包含项目2的元组的时
候，你应该指明singleton = (2 , )。

--摘自《简明 Python 教程》

问题1：singleton = (2 , )是元组而singleton = (2)就不是元组？
问题2：singleton = (2)不是元组是什么呢？ 

_______________________________________________
python-chinese list
python-chinese at lists.python.cn
http://python.cn/mailman/listinfo/python-chinese

应该就是list.翻译而已

在 Mon, 23 May 2005 15:39:45 +0800，Neo Chan <neo.chen at achievo.com> 写道:

> 元组是啥，我不懂。我土
> 看你写的东东很像list 数据结构。。。
>
> singleton = (2 , ) 就是list 表示有两个元素。
> singleton = (2) 这样写。"()" 就表示优先级。和 singleton = (1+1) 一样。
>
<省略部分>
> 2
<省略部分>
> 2
<省略部分>
>
> -----Original Message-----
> From: python-chinese-bounces at lists.python.cn  
> [mailto:python-chinese-bounces at lists.python.cn] On Behalf Of 劉磊
> Sent: Monday, May 23, 2005 12:17 PM
> To: python-chinese at lists.python.cn
> Subject: [python-chinese] 请教关于元组的问题
>
> 含有0个或1个项目的元组。一个空的元组由一对空的圆括号组成，如myempty =  
> ()。然而，含有
> 单个元素的元组就不那么简单了。你必须在第一个（唯一一个）项目后跟一个逗 
> 号，这样Python
> 才能区分元组和表达式中一个带圆括号的对象。即如果你想要的是一个包含项目2的 
> 元组的时
> 候，你应该指明singleton = (2 , )。
>
> --摘自《简明 Python 教程》
>
> 问题1：singleton = (2 , )是元组而singleton = (2)就不是元组？
> 问题2：singleton = (2)不是元组是什么呢？
>
> _______________________________________________
> python-chinese list
> python-chinese at lists.python.cn
> http://python.cn/mailman/listinfo/python-chinese



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信件。 请大家把自动回复关掉吧！

在 Mon, 23 May 2005 21:18:19 +0800，<60_days at 163.com> 写道:

> Äú·¢¸øÎÒµÄÐżþÒѾ­ÊÕµ½¡£
>
>
>
> --------------------------------------------
> ÍøÒ×@163.comÃâ·Ñµç×ÓÓÊÏ䣬260Õ׳¬ 
> ´ó¿Õ¼ä£¬Ö§³Ö12Õ׸½¼þ£¬È«¹úΨһ24Сʱ¿Í»§·þÎñ¡£
> »¶Ó­ÄúÀ´×¢²áʹÓá£ÍøÒ×ÓʼþÖÐÐÄ£ºhttp://mail.163.com



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Sizkim wrote:

> Ó¦¸Ã¾ÍÊÇlist. ·­Òë¶øÒÑ
>
> ÔÚ Mon, 23 May 2005 15:39:45 +0800£¬Neo Chan <neo.chen at achievo.com> дµÀ:
>
>> Ôª×éÊÇɶ£¬ÎÒ²»¶®¡£ÎÒÍÁ
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>
>> 2
>
> <Ê¡ÂÔ²¿·Ö>
>
>> 2
>
> <Ê¡ÂÔ²¿·Ö>
>
>>
>> -----Original Message-----
>> From: python-chinese-bounces at lists.python.cn 
>> [mailto:python-chinese-bounces at lists.python.cn] On Behalf Of „¢ÀÚ
>> Sent: Monday, May 23, 2005 12:17 PM
>> To: python-chinese at lists.python.cn
>> Subject: [python-chinese] Çë½Ì¹ØÓÚÔª×éµÄÎÊÌâ
>>
>> º¬ÓÐ0¸ö»ò1¸öÏîÄ¿µÄÔª×é¡£Ò»¸ö¿ÕµÄÔª×éÓÉÒ»¶Ô¿ÕµÄÔ²À¨ºÅ×é³É£¬Èçmyempty = 
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>>
>> ÎÊÌâ1£ºsingleton = (2 , )ÊÇÔª×é¶øsingleton = (2)¾Í²»ÊÇÔª×飿
>> ÎÊÌâ2£ºsingleton = (2)²»ÊÇÔª×éÊÇʲôÄØ£¿
>>
>> _______________________________________________
>> python-chinese list
>> python-chinese at lists.python.cn
>> http://python.cn/mailman/listinfo/python-chinese
>
>
>
>

disk.com at 163.com    60_days at 163.com   bmwh2008 at 126.com 关掉你们恼人的自动回 
复，这是在制造垃圾！

在 Tue, 24 May 2005 09:19:35 +0800，<disk.com at 163.com> 写道:

> Äú·¢¸øÎÒµÄÐżþÒѾ­ÊÕµ½£¬ÇëÄúµÈ´ýÎҵĻظ´£¡



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