* Alex Martelli > Uwe C. Schroeder wrote: >> list=[[1,2,3],[1,2,3],[1,2,3]] > > Avoid naming a variable the same as the type, as that will > hide the type and make it unavailable. Call it 'alist'...:-) > >> the result of the operation should give [1,1,1] (or [2,2,2] :-)) > > [ sublist[0] for sublist in alist ] zip(*alist)[0] Thorsten