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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