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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 _get_query_sets_for_object(o):
 """ Determines the correct query set based on the object. If the object is a literal, it will return a query set over LiteralStatements. If the object is a URIRef or BNode, it will return a query set over Statements. If the object is unknown, it will return both the LiteralStatement and Statement query sets. This method always returns a list of size at least one. """

    if o:
        if isinstance(o, Literal):
            query_sets = [models.LiteralStatement.objects]
        else:
            query_sets = [models.URIStatement.objects]
    else:
        query_sets = [models.URIStatement.objects, models.LiteralStatement.objects]
    return query_sets