Implement a function, grad_f(x0, x1), that implements the gradient xf(x) shown above. It should return a pair of values since the gradient for this f(x) has two components.

2.0 15 10 0.5 0.0 1 0.5 -2.0 2.0-1.5 -1.0 -0.5 0.0 0.5 10 15 2.0 The gradient of f(x) with respect to x is of of 2x def grad f(x0, xl): ### YOUR CODE HERE # # Test cell: grad-f-test' grad-f-vec = vectorize (grad-f) z - randn(5) gx, gy = grad-f-vec ( z, -z) assert all isclose (gx*0.5, z)) and all (isclose (gy* (-0.5), z)), "Your function might have a bug..." print("In(Passed!)