Exercise 8 course 1

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1

I am getting error in the exercise 8

Y_prediction_test = predict(w,b,X_test)
Y_prediction_train = predict(w,b,X_train)

---------------------------------------------------------------------------
AssertionError                            Traceback (most recent call last)
<ipython-input-77-9408a3dffbf6> in <module>
      1 from public_tests import *
      2 
----> 3 model_test(model)

~/work/release/W2A2/public_tests.py in model_test(target)
    117     assert type(d['costs']) == list, f"Wrong type for d['costs']. {type(d['costs'])} != list"
    118     assert len(d['costs']) == 1, f"Wrong length for d['costs']. {len(d['costs'])} != 1"
--> 119     assert np.allclose(d['costs'], expected_output['costs']), f"Wrong values for d['costs']. {d['costs']} != {expected_output['costs']}"
    120 
    121     assert type(d['w']) == np.ndarray, f"Wrong type for d['w']. {type(d['w'])} != np.ndarray"

AssertionError: Wrong values for d['costs']. [array(4.85203026)] != [array(0.69314718)]