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| From | Terry Reedy <tjreedy@udel.edu> |
| Subject | Re: L[:] |
| Date | Tue, 14 Jan 2014 17:07:15 -0500 |
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On 1/14/2014 5:42 AM, Albert-Jan Roskam wrote: > I also found that item assignment ([1] below) is much faster > than using the more standard (I think) .append ([2]). > # [1] > for idx,item in enumerate(L[:]): > if some_condition: > L[idx] = foobarify(item) [1] *is* the standard way to selectively replace items. > # [2] > L2 = [] > for idx,item in enumerate(L): > if some_condition: > L2.append(foobarify(item)) > else: > L2.append(item) -- Terry Jan Reedy
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Re: L[:] Terry Reedy <tjreedy@udel.edu> - 2014-01-14 17:07 -0500
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