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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_object(self, cat, **kwargs):
 """ This method is used for retrieving objects from facebook. "cat", the category, must be passed. When cat is "single", pass the "id "and desired "fields" of the single object. If the cat is "multiple", only pass the "ids" of the objects to be fetched. """

                if 'id' not in kwargs.keys():
                        kwargs['id']=''
                res=request.get_object_cat1(self.con, self.token, cat,  kwargs)
                return res