Explain OOP by taking pandas libraray as Example

Question

Hello Pythonians, Can anyone explain me, functions, attribute and class by taking pandas library as example, like pd.array.Categorical where array is attribute and Categorical is class, how class went inside attribute?

Answer 1

https://github.com/Saga305/JUMP_LINK__&&__Python__&&__JUMP_LINK/blob/master/webScrapping/states_scrapping.py