def contact_helper(current,points):
    """
    return True if at least one point contacts the cup, return False otherwise

    Parameter current: the cup
    Precondition: current is a list

    Parameter points: infomation of points
    Precondition: points is a list
    """
    for point in points:
        if ((point[0]-current[0])**2+(point[1]-current[1])**2)**0.5<=15:
            return True
    return False