On Apr 29, 8:51 pm, Roy Smith <[EMAIL PROTECTED]> wrote: > In article > <[EMAIL PROTECTED]>, > > blaine <[EMAIL PROTECTED]> wrote: > > Check out this cool little trick I recently learned: > > >>> x=range(5) > > >>> x.reverse() or x > > [4, 3, 2, 1, 0] > > > Useful for returning lists that you need to sort or reverse without > > wasting that precious extra line :) > > > What it does: x.reverse() does the reverse and returns None. or is > > bitwise, so it sees that 'None' is not 'True' and then continues to > > process the next operand, x. x or'd with None will always be x (and x > > has just been changed by the reverse()). So you get the new value of > > x :) > > Please don't do that in any code I have to read and understand. Cool > little tricks have no place in good code. > > >>> x = range(5) > >>> x.reverse() > >>> x > > [4, 3, 2, 1, 0] > > does the same thing, and it a lot easier to understand. I buy my newlines > in the big box at Costo, so I don't mind using a few extra ones here or > there.
haha true - i usually don't use shortcuts, it kind of defeats the purpose of the readability of python :) -- http://mail.python.org/mailman/listinfo/python-list
