Every few years, the following syntax comes up for discussion, with some people saying it isn't obvious what it would do, and others disagreeing and saying that it is obvious. So I thought I'd do an informal survey.
What would you expect this syntax to return? [x + 1 for x in (0, 1, 2, 999, 3, 4) while x < 5] For comparison, what would you expect this to return? (Without actually trying it, thank you.) [x + 1 for x in (0, 1, 2, 999, 3, 4) if x < 5] How about these? [x + y for x in (0, 1, 2, 999, 3, 4) while x < 5 for y in (100, 200)] [x + y for x in (0, 1, 2, 999, 3, 4) if x < 5 for y in (100, 200)] Thanks for your comments! -- Steve “Cheer up,” they said, “things could be worse.” So I cheered up, and sure enough, things got worse. -- https://mail.python.org/mailman/listinfo/python-list
