def initialize_parameters(dim):
    np.random.seed(3)
    W = (np.random.randn(dim, dim) * 0.01)
    b = np.zeros((dim, 1))
    return (W, b)
def initialize_parameters(dim):
    np.random.seed(3)
    W = (np.random.randn(dim, dim) * 0.01)
    b = np.zeros((dim, 1))
    return (W, b)