List of lists

From: saoirse_79 (saoirse_79_at_yahoo.com)
Date: 11/19/03 

Date: Wed, 19 Nov 2003 12:02:07 -0000
To: python-list@python.org

I was wondering if anyone knows a short way to do the following..
I have 2 lists of list..eg
[('a','b','c'),('k','-','l'),('1','2','3')]
[('a','b','c'),('k','-','x'),('1','4','3')]

I want to comapre the two lists of lists and count the number of
times the sublists match. In the above example its 1