a = [ 9,10]
b = [10,9]
c = a
ans1 = a is b
ans2 = a is not b
ans3 = a is c
ans4 = a is not c
print("a is b = ", ans1)
print("a is not b = ",ans2)
print("a is c = ", ans3)
print("a is not c = ",ans4)
print("a is equal to b = ", a ==b)
print("a is equal to c = " , a ==c)
