[Tutor] how to compare elements of 2 lists

[sith .]

sith . wrote:
> Hi,
> I've read the posts on comparing 2 lists and couldn't find the answer to
> my question.
> I have 2 lists
> a = [4,3,2,6,7,9]
> b = [8,6,3,3,2,7]
> How can I determine if the elements in a are larger or smaller than the
> elements in b.
>  
> for i in a:
>     for u in b:
>         i > u
> does not return the result I seek.
> 
> In this example, 4 from a is compared to 8,6,3,3,2,7 then 3 from a is
> compared to all the elements in b.
> I'd like
> 4 to 8,
> 3 to 6,
> 2 to 3 and so on; like 2 columns in excel, the third column would be a
> new list of boolean values.
> Can someone help please?  Thank you.
> 
  all(all(i>j for j in b) for i in a)
  HTH
   
   
  Hi,
Thanks for your reply.  This is what I get:
  >>> a = [4,3,2,6,7,9]
  >>> b = [8,6,3,3,2,7]
  >>> all(all(i>j for j in b) for i in a)
>>> all(all(i>j for j in b) for i in a)
  False
  How do I make it loop through the whole list?

       
---------------------------------
Never miss a thing.   Make Yahoo your homepage.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.python.org/pipermail/tutor/attachments/20071225/2dc1746f/attachment.htm