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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def wheel(delta=1):
 """ Sends a wheel event for the provided number of clicks. May be negative to reverse direction. """

    location = get_position()
    e = Quartz.CGEventCreateMouseEvent(
        None,
        Quartz.kCGEventScrollWheel,
        location,
        Quartz.kCGMouseButtonLeft)
    e2 = Quartz.CGEventCreateScrollWheelEvent(
        None,
        Quartz.kCGScrollEventUnitLine,
        1,
        delta)
    Quartz.CGEventPost(Quartz.kCGHIDEventTap, e)
    Quartz.CGEventPost(Quartz.kCGHIDEventTap, e2)