this post was submitted on 12 Apr 2025
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Python Performance: Why 'if not list' is 2x Faster Than Using len() (blog.codingconfessions.com)
submitted 6 months ago by abhi9u@lemmy.world to c/technology@lemmy.world
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[–] sugar_in_your_tea@sh.itjust.works 8 points 6 months ago

I think there's a good chance of that:

  • -2x instead of ~2x - a human is unlikely to make that mistake
  • no space here: ==0 - there's a space every other time it's done, including the screenshot
  • the numbers are wrong - the screenshot has different data than the image
  • why are there three bars? A naive approach would have two.