x=[1,2,3,4,5,6,7,8,9]
y=[10,20,30,40,50,60,70,80,90]
z= x[0] + y[0]                      # This statement add the zeroth elements in x and y
print(z)
a=2 * y                             # This statement concardenate the y 2 times
print(a)