[python-chinese] 如何从元组中提取元素

Jerry jetport在gmail.com
星期四 八月 2 15:34:54 HKT 2007


>
>
> ÎÒÏëÌáÈ¡header[1]µ±ÖеÄÕâЩÊý¾Ý£¬À´»­Í¼£¬
> >>> print header[1]
> ((('SurfaceTemp', 1),), 22, [('328 ',), ('284 ',), ('222 ',), ('204 ',),
> ('158 ',), ('115 ',), ('101 ',), ('97  ',), ('83  ',), ('70  ',), ('62  ',),
> ('53  ',), ('54  ',), ('48  ',), ('43  ',), ('36  ',), ('102 ',), ('144 ',),
> ('269 ',), ('285 ',), ('371 ',), ('385 ',)])
> >>> type(header[1][2])
> <type 'list'>
> >>> print header[1][2]
> [('328 ',), ('284 ',), ('222 ',), ('204 ',), ('158 ',), ('115 ',), ('101
> ',), ('97  ',), ('83  ',), ('70  ',), ('62  ',), ('53  ',), ('54  ',), ('48
> ',), ('43  ',), ('36  ',), ('102 ',), ('144 ',), ('269 ',), ('285 ',), ('371
> ',), ('385 ',)]
> >>> print header[1][2][1]
> ('284 ',)
> >>> type(header[1][2][1])
> <type 'tuple'>


>>> l = [ i[0] for i in header[1][2] ]

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-- 
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If U just believe it, there's nothing to it
I believe U can fly
JetPort:80
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