Joe Wong wrote: (original posting not on my nntp server) >>Hello, >> >> Suppose I have a python array as follow: >> >> s=[ [1,3,5], >> [2,4,6], >> [9,8,7]] >> >>what is the quickest way to extract the second colum from all rows? That >>is: [3,4,8] in this example. [a[1] for a in s] Uwe