Python AttributeError: A How-To Guide

#08 @propertyを使ってみよう | Python入門 クラス編 - プログラミングならドットインストール

How to print keys and values of a python dictionary - CodeVsColor

Python: Check if a Key (or Value) Exists in a Dictionary (5 Easy Ways) • datagy

“`pythondef listuniqueness(thelist): dictionary = dictionary['listlength'] = len(thelist) dictionary['uniqueitems'] = len(set(thelist)) return dictionaryl = [1,2,2,4]dictionary = listuniqueness(l)print(dictionary['listlength']) # prints 4print(dictionary['uniqueitems']) # prints 3“`