> how can i change a list like this > [1, 2, 3, 4] > to > [4, 3, 2, 1] >>> a = [1,5,2,3,4] >>> a.reverse() >>> a [4, 3, 2, 5, 1] > how can i get to know if a string is totally uppercase? >>> 'ABC'.isupper() 1 >>> 'abc'.isupper() 0 >>> '123'.isupper() 0 Cheers, Brian