abhi9u@lemmy.world to Technology@lemmy.worldEnglish · 3 个月前Python Performance: Why 'if not list' is 2x Faster Than Using len()blog.codingconfessions.comexternal-linkmessage-square147fedilinkarrow-up1218cross-posted to: python@programming.dev
arrow-up1218external-linkPython Performance: Why 'if not list' is 2x Faster Than Using len()blog.codingconfessions.comabhi9u@lemmy.world to Technology@lemmy.worldEnglish · 3 个月前message-square147fedilinkcross-posted to: python@programming.dev
minus-squareriodoro1@lemmy.worldlinkfedilinkEnglisharrow-up2·3 个月前That’s exactly what I was getting at. Getting length of an empty list would not even enter the loop.
minus-squareChaoticNeutralCzech@feddit.orglinkfedilinkEnglisharrow-up1·3 个月前Yes. If it’s empty. But in cases where you need to check, it might as well not be.
That’s exactly what I was getting at. Getting length of an empty list would not even enter the loop.
Yes. If it’s empty. But in cases where you need to check, it might as well not be.