[**Python 中的 Dictionary**](https://www.geeksforgeeks.org/python-set-4-dictionary-keywords-python/) 是一个无序的数据值集合 ...
> 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 ...
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