t1 = (1, 2)
t2 = t1
t1 += (3, 4)
print t1
print t2
l1 = [1, 2]
l2 = l1
l1 += [3, 4]
print l1
print l2
dDEgPSAoMSwgMikKdDIgPSB0MQoKdDEgKz0gKDMsIDQpCgpwcmludCB0MQpwcmludCB0MgoKCmwxID0gWzEsIDJdCmwyID0gbDEKCmwxICs9IFszLCA0XQoKcHJpbnQgbDEKcHJpbnQgbDI=
(1, 2, 3, 4)
(1, 2)
[1, 2, 3, 4]
[1, 2, 3, 4]