abhi9u@lemmy.world to Technology@lemmy.worldEnglish · 7 个月前Python Performance: Why 'if not list' is 2x Faster Than Using len()blog.codingconfessions.comexternal-linkmessage-square149linkfedilinkarrow-up1220arrow-down124
arrow-up1196arrow-down1external-linkPython Performance: Why 'if not list' is 2x Faster Than Using len()blog.codingconfessions.comabhi9u@lemmy.world to Technology@lemmy.worldEnglish · 7 个月前message-square149linkfedilink
minus-squareriodoro1@lemmy.worldlinkfedilinkEnglisharrow-up2·7 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-up1·7 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.