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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 create_instance(self, collection_or_class, attributes, lazy=False, call_hook=True, deserialize=True, db_loader=None):
 """ Creates an instance of a `Document` class corresponding to the given collection name or class. :param collection_or_class: The name of the collection or a reference to the class for which to create an instance. :param attributes: The attributes of the instance to be created :param lazy: Whether to create a `lazy` object or not. :returns: An instance of the requested Document class with the given attributes. """

        creation_args = {
            'backend' : self,
            'autoload' : self._autoload_embedded,
            'lazy' : lazy,
            'db_loader' : db_loader
        }

        if collection_or_class in self.classes:
            cls = collection_or_class
        elif collection_or_class in self.collections:
            cls = self.collections[collection_or_class]
        else:
            raise AttributeError("Unknown collection or class: %s!" % str(collection_or_class))

        #we deserialize the attributes that we receive
        if deserialize:
            deserialized_attributes = self.deserialize(attributes, create_instance=False)
        else:
            deserialized_attributes = attributes

        if 'constructor' in self.classes[cls]:
            obj = self.classes[cls]['constructor'](deserialized_attributes, **creation_args)
        else:
            obj = cls(deserialized_attributes, **creation_args)

        if call_hook:
            self.call_hook('after_load',obj)

        return obj