Python has brought computer programming to a vast new audience

Re:Python has brought computer programming to a vast new aud... by politician on Friday July 20, 2018 @01:55PM (#17577266)

Looks like the libraries use the technique to handle those conditional off-by-one situations that other languages might resolve with a ternary expression. Thanks!

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Re:Python has brought computer programming to a vast new aud... by eesmith on Friday July 20, 2018 @04:15PM (#17578536)

FWIW, I only searched for lines containing 'bool(' and '+'. That means I missed some of the other uses, like:

  unittest2/compatibility.py:25:
    if bool(unc_path) ^ bool(unc_start):
  scipy/signal/fir_filter_design.py:266:
    pass_nyquist = bool(cutoff.size & 1) ^ pass_zero
  pypysrc/py/_path/common.py:65:
    if bool(value) ^ bool(meth()) ^ invert:

There's also a place where the bool is turned into an int, but that extra conversion isn't actually needed - the following would work without the int() call:

  scipy/stats/morestats.py:2083:
    correction = 0.5 * int(bool(correction)) * np.sign(T - mn)

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