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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 array_to_schedule(array, events, slots):
 """Convert a schedule from array to schedule form Parameters array : np.array An E by S array (X) where E is the number of events and S the number of slots. Xij is 1 if event i is scheduled in slot j and zero otherwise events : list or tuple of :py:class:`resources.Event` instances slots : list or tuple of :py:class:`resources.Slot` instances Returns ------- list A list of instances of :py:class:`resources.ScheduledItem` """

    scheduled = np.transpose(np.nonzero(array))
    return [
        ScheduledItem(event=events[item[0]], slot=slots[item[1]])
        for item in scheduled
    ]