def normal_noise(points):
    """Init a noise variable."""
    return np.random.rand(1) * np.random.randn(points, 1) \
        + random.sample([2, -2], 1)
def normal_noise(points):
    
    return np.random.rand(1) * np.random.randn(points, 1) \
        + random.sample([2, -2], 1)
def normal_noise ( points ) : return np . random . rand ( 1 ) * np . random . randn ( points , 1 ) + random . sample ( [ 2 , - 2 ] , 1 )
Init a noise variable.
Init a noise variable .