How to create a tuple quickly with list comprehension?

Bruno Desthuilliers bruno.42.desthuilliers at wtf.websiteburo.oops.com
Wed Jun 13 12:43:06 CEST 2007


fdu.xiaojf at gmail.com a écrit :
> Hi all,
> 
> I can use list comprehension to create list quickly. So I expected that I
> can created tuple quickly with the same syntax. But I found that the
> same syntax will get a generator, not a tuple. Here is my example:
> 
> In [147]: a = (i for i in range(10))
> 
> In [148]: b = [i for i in range(10)]
> 
 >
> In [149]: type(a)
> Out[149]: <type 'generator'>
> 
> In [150]: type(b)
> Out[150]: <type 'list'>
> 
> Is there a way to create a tuple like (1, 2, 3, 4, 5, 6, 7, 8, 9)
> quickly?

t = tuple(range(1, 10))

If the use of 'range' in your above snippet was just for the exemple, 
see Diez's answer.



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