1# basic list functionality 2x = [1, 2, 3 * 4] 3print(x) 4x[0] = 4 5print(x) 6x[1] += -4 7print(x) 8x.append(5) 9print(x) 10f = x.append 11f(4) 12print(x) 13 14x.extend([100, 200]) 15print(x) 16x.extend(range(3)) 17print(x) 18 19x += [2, 1] 20print(x) 21 22# unsupported type on RHS of add 23try: 24 [] + None 25except TypeError: 26 print('TypeError') 27