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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_dict_for_mongodb_queries(self):
 """ This function returns a dictionary with the attributes that will be put in the mongodb document to facilitate the query. Subclasses may want to replace or extend the default behaviour. """

        d = {}
        return d
        # TODO
        all_structures = [task.input.structure for task in self.iflat_tasks()]
        all_pseudos = [task.input.pseudos for task in self.iflat_tasks()]