On 11/22/05, Fredrik Lundh <[EMAIL PROTECTED]> wrote: > Ben Bush wrote: > > > I have a lis: > > [[1,3],[3,4],[5,6],[8,9],[14,0],[15,8]] > > I want a code to test when the difference between the first element in > > the list of list is equal to or larger than 6, then move the previous > > lists to the end of the list. that is: > > [[14,0],[15,8],[1,3],[3,4],[5,6],[8,9]] > > have you tried doing this yourself? how far did you get? can you > post the code so we can help you figure out what you need to fix? > is this a homework assignment? > > here's a oneliner: > > L = [x for x in L if x[0]-x[1] >= 6] + [x for x in L if x[0]-x[1] < 6] > > depending on how you define "difference", you may need to replace > x[0]-x[1] with abs(x[0]-x[1])
Thanks! it works! This question just came to my mind and not assigned by anyone. I did not know '+' can be used to link the tow lists. By the way, where i can find more information about how to use List and data structure in Python. really amazed by its use! -- http://mail.python.org/mailman/listinfo/python-list
