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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 to_representation(self, instance):
 """ Provides post processing. Sub-classes should implement their own to_representation method, but pass the resulting dict through this function to get tagging and field selection. Arguments: instance: Serialized dict, or object. If object, it will be serialized by the super class's to_representation() method. """


        if not isinstance(instance, dict):
            data = super(
                DynamicEphemeralSerializer,
                self
            ).to_representation(instance)
        else:
            data = instance
            instance = EphemeralObject(data)

        if self.id_only():
            return data
        else:
            return tag_dict(data, serializer=self, instance=instance)