On Jan 18, 1:04 pm, "Chris Mellon" <[EMAIL PROTECTED]> wrote: > On Jan 18, 2008 12:53 PM, Nicholas <[EMAIL PROTECTED]> wrote: > > > I was quite delighted today, after extensive searches yielded nothing, to > > discover how to place an else condition in a list comprehension. > > Trivial mask example: > > >>> [True if i <5 else False for i in range(10)] # A > > [True, True, True, True, True, False, False, False, False, False] > > > I then experimented to drop the else statement which yields an error > > >>> [i if i>3 for i in range(10)]
That would be: [i for i in range(10) if i>3] > > Traceback ( File "<interactive input>", line 1 > > this syntax works of course > > >>> [i if i>3 else i for i in range(10)] > > [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] -- http://mail.python.org/mailman/listinfo/python-list
