On 08/10/2017 09:28 AM, Steve D'Aprano wrote: > 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]
[1,2,3] > > > 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] [1,2,3,4,5,] > > > > How about these? > > [x + y for x in (0, 1, 2, 999, 3, 4) while x < 5 for y in (100, 200)] [100,200,101,201,102,202] > > [x + y for x in (0, 1, 2, 999, 3, 4) if x < 5 for y in (100, 200)] [100,200,101,201,102,202.103,203,104,204 ] > > > > Thanks for your comments! > > > -- https://mail.python.org/mailman/listinfo/python-list
