def linear_interpolation_01(x, values):
    """Interpolate values given at 0 and 1.

    Parameters:
        x : float
        y : float
        points : (v0, v1)
            values at 0 and 1

    Returns:
        float
            interpolated value
    """
    return values[0] * (1 - x) + values[1] * x