> 原文:[https://www . geesforgeks . org/python-计数-字典中的项目数-值-即列表/](https://www.geeksforgeeks.org/python-count-number-of-items-in-a ...

Learn how Python's dictionary data structure works as a powerful and versatile way to store and retrieve objects and data in your applications. Programming languages all come with a variety of data ...