def initialize_parameters(n_x, n_h, n_y):
    
    np.random.seed(2) 
    W1 = np.random.randn(n_h, n_x) *100
    b1 = np.zeros(shape=(n_h, 1))
    W2 = np.random.randn(n_y, n_h) *100
    b2 = np.zeros(shape=(n_y, 1))
    
    assert (W1.shape == (n_h, n_x))
    assert (b1.shape == (n_h, 1))
    assert (W2.shape == (n_y, n_h))
    assert (b2.shape == (n_y, 1))
    
    parameters = {"W1": W1,
                  "b1": b1,
                  "W2": W2,
                  "b2": b2}
    
    return parameters