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Home/ Questions/Q 6840787
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Editorial Team
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Editorial Team
Asked: May 26, 20262026-05-26T23:53:11+00:00 2026-05-26T23:53:11+00:00

Python’s list.index(x) throws an exception if the item doesn’t exist. Is there a better

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Python’s list.index(x) throws an exception if the item doesn’t exist. Is there a better way to do this that doesn’t require handling exceptions?

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  1. Editorial Team
    Editorial Team
    2026-05-26T23:53:12+00:00Added an answer on May 26, 2026 at 11:53 pm

    If you don’t care where the matching element is, then use:

    found = x in somelist
    

    If you do care, then use a LBYL style with a conditional expression:

    i = somelist.index(x) if x in somelist else None
    
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