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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 FirstSlotSlicer(primary_query, secondary_query, limit=30):
 # noqa """ Inject the first object from a queryset into the first position of a reading list. :param primary_queryset: djes.LazySearch object. Default queryset for reading list. :param secondary_queryset: djes.LazySearch object. first result leads the reading_list. :return list: mixed reading list. """

    reading_list = SearchSlicer(limit=limit)
    reading_list.register_queryset(primary_query)
    reading_list.register_queryset(secondary_query, validator=lambda x: bool(x == 0))
    return reading_list