Discover why 'if not mylist' is twice as fast as 'len(mylist) == 0' by examining CPython's VM instructions and object memory access patterns.
  • JustAnotherKay@lemmy.worldEnglish
    1·
    8 months ago

    Doesn’t matter what it implies. The entire purpose of programming is to make it so a human doesn’t have to go do something manually.

    not x tells me I need to go manually check what type x is in Python.

    len(x) == 0 tells me that it’s being type-checked automatically