a). a=[ 7, 8, 9 ]
b= [ 0, 1, 2 ]
.b). a= [ 0, 1, 2, 3, 4, 5, 6, 7 ]
b= [ 0, 1, 2 , 3, 4 , 5 ]
c). a= [ 7, 8 , 9 ]
b= [ 7, 8, 9 ]