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A comment on WTF Python: Exploring and understanding Python through surprising snippets. Parent comment

Re:WTF Python: Exploring and understanding Python through su... by dagw on Thursday February 11, 2021 @09:50AM (#26101992)
Just did a quick check, and looping over an array of 1 million Nones and checking each element

  el==None
was roughly 25% slower than

  el is None
edit: Doing

  None==el
was roughly 15% slower
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