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tuples in conditional assignment

Path csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail
From George Trojan <george.trojan@noaa.gov>
Newsgroups comp.lang.python
Subject tuples in conditional assignment
Date Tue, 24 Nov 2015 03:25:48 +0000
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The following code has bitten me recently:

 >>> t=(0,1)
 >>> x,y=t if t else 8, 9
 >>> print(x, y)
(0, 1) 9

I was assuming that a comma has the highest order of evaluation, that is 
the expression 8, 9 should make a tuple. Why this is not the case?

George

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tuples in conditional assignment George Trojan <george.trojan@noaa.gov> - 2015-11-24 03:25 +0000
  Re: tuples in conditional assignment Steven D'Aprano <steve@pearwood.info> - 2015-11-24 22:25 +1100

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