Seems to be an error in editing: > ...which received a rating of [stackoverflow] (https://stackoverflow.com/questions/29290359/existence-of-mutable-named-tuple

Seems to be an error in editing: > ...which received a rating of [stackoverflow] (https://stackoverflow.com/questions/29290359/existence-of-mutable-named-tuple-in https://stackoverflow.com/questions/29290359/existence-of-mu... -python / 29419745). In additioobjects liken, it can be used to reduce the size of objects in RAM...