Convert a data breaks into a radius ramp

def create_radius_stops(breaks, min_radius, max_radius):
    """Convert a data breaks into a radius ramp
    """
    num_breaks = len(breaks)
    radius_breaks = scale_between(min_radius, max_radius, num_breaks)
    stops = []

    for i, b in enumerate(breaks):
        stops.append([b, radius_breaks[i]])
    return stops