# Listing 7
def logistic_predict(p):
    prediction = p.copy()
    prediction[p < 0.5] = 0
    prediction[p >= 0.5] = 1
    return prediction

skl_prediction = clf.predict(x2_test)

sigmuid_prediction = logistic_predict(sigmuid_prob)
sigmuid_prediction = sigmuid_prediction.ravel()

# Are sigmuid_prediction and skl_prediction arrays equal?
np.array_equal(sigmuid_prediction, skl_prediction)