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Groups > comp.lang.python > #44164

Re: Lists and arrays

Newsgroups comp.lang.python
Date 2013-04-23 00:50 -0700
References <de1cc79e-cbf7-4b0b-ae8e-18841a1ef095@googlegroups.com>
Message-ID <155ef657-aaff-4b31-aa55-ba76cdd179d7@googlegroups.com> (permalink)
Subject Re: Lists and arrays
From 88888 Dihedral <dihedral88888@googlemail.com>

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Ana Dionísio於 2013年4月23日星期二UTC+8上午2時13分38秒寫道:
> Hello!
> 
> 
> 
> I need your help!
> 
> 
> 
> I have an array and I need pick some data from that array and put it in a list, for example:
> 
> 
> 
> array= [a,b,c,1,2,3]
> 
> 
> 
> list=array[0]+ array[3]+ array[4]
> 
> 
> 
> list: [a,1,2]
> 
> 
> 
> When I do it like this: list=array[0]+ array[3]+ array[4] I get an error:
> 
> 
> 
> "TypeError: unsupported operand type(s) for +: 'numpy.ndarray' and 'numpy.ndarray'"
> 
> 
> 
> Can you help me?

The list part in Python is more versatile but definitely
executed slower than the array in C.

What I like is that maintaining the Python part
is not as tedious and painful for the same programs in LISP.



 

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Thread

Lists and arrays Ana Dionísio <anadionisio257@gmail.com> - 2013-04-22 11:13 -0700
  Re: Lists and arrays Dave Angel <davea@davea.name> - 2013-04-22 14:34 -0400
  Re: Lists and arrays "BartC" <bc@freeuk.com> - 2013-04-22 22:24 +0100
  Re: Lists and arrays 88888 Dihedral <dihedral88888@googlemail.com> - 2013-04-23 00:50 -0700
  Re: Lists and arrays Denis McMahon <denismfmcmahon@gmail.com> - 2013-04-23 19:30 +0000

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