What is the value of Z after the following code is run?
1
2 X=np.array([[1,0],[0,1]])
3 Y=np⋅array([[2,1],[1,2]])
4 Z=np⋅dot(X,Y)
5

a. array([[2,1],[1,2]])
b. array([[2,0],[1,0]])
c. array([[3,1],[1,3]])