FW: List copying idiom was Re: [Python-Dev] implementation of copystandard lib

[Tom Anderson]

On Wed, 17 Aug 2005, Delaney, Timothy (Tim) wrote:

> Tom Anderson wrote:
>
>> When you say [:], do you mean that you copy lists like this:
>>
>> l = someList()
>> m = []
>> m[:] = l
>
> Forwarded to python-list, where it belongs. The idiom is actually:
>
> a = [1, 2, 3]
> b = a[:]

Aha. I'd never thought of that. Doh.

tom

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