Re: unpacking first few items of iterable

Discussion in 'Python' started by MRAB, Dec 13, 2012.

  1. MRAB

    MRAB Guest

    On 2012-12-13 19:37, Daniel Fetchinson wrote:
    > Hi folks, I swear I used to know this but can't find it anywhere:
    >
    > What's the standard idiom for unpacking the first few items of an
    > iterable whose total length is unknown?
    >
    > Something like
    >
    > a, b, c, _ = myiterable
    >
    > where _ could eat up a variable number of items, in case I'm only
    > interested in the first 3 items?
    >

    You could do this:

    from itertools import islice

    a, b, c = islice(myiterable, 3)
     
    MRAB, Dec 13, 2012
    #1
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