def couple(s, t): "Return a list of two-element lists in which the i-th element is Is (i), t[i]]. 7 3 9 20 1 12 13 14 15 >>> a = [1, 2, 3] >>> b = [4, 5, 6] >>> couple(a, b) [[1,4], [2, 5), (3, 6]] >>> C = ['c', 6] >>> d = ('s', '1'1 >>> couple(c,d) [['c', 's'], [6, '1']] assert len(s) len(t) "*** YOUR CODE HERE Sok