Dunder Data Challenge #1— Optimize Custom Grouping Function

This is the first of a series of Dunder Data Challenges designed to help you improve your python, data science, and machine learning skills.

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Optimize Custom Grouping Function

In this challenge, your goal is to find the fastest solution while only using the Pandas library.

The Challenge

The college_pop dataset contains the name, state, and population of all higher-ed institutions in the US and its territories. For each state, find the percentage of the total state population made up by the 5 largest colleges of…