t1 = (1,) t2 = (1,2,3) t3 = 1,2,3 t4 = 1,2,(3,4) print(type(t4)) print(t4[1:]) t5 = t2 + t3 print(t5) t3.append(4) a = ((10, 20), (30, 40), (50, 60)) b = ([10, 20], [30, 40], [50, 60]) c = [(10, 20), (30, 40), (50, 60)]