Alan McIntyre wrote: > Tony, > > Actually I only want to remove a certain kind of duplication; <snip>
How about this one liner? def condense(m): print [m[0]]+[m[k] for k in range(1,len(m)) if m[k]!=m[k-1]] b=[1,1,1,2,2,2,1,1,1] condense(b) Tony Clarke -- http://mail.python.org/mailman/listinfo/python-list