NameError Traceback (most recent call last)

in

3 X = np.array([[1., -2., -1.], [3., 0.5, -3.2]])

4 Y = np.array([[1, 1, 0]])

----> 5 grads, cost = propagate(w, b, X, Y)

6

7 assert type(grads[“dw”]) == np.ndarray

in propagate(w, b, X, Y)

35 print(A.shape)

36

—> 37 cost = np.sum(Y * np.log(A) + (1 - Y) * log(1 - A)) * (- 1 / m)

38 print(cost)

39 # YOUR CODE ENDS HERE

NameError: name ‘log’ is not defined