optimizing pandas looping speed:
https://engineering.upside.com/a-beginners-guide-to-optimizing-pandas-code-for-speed-c09ef2c6a4d6
Fast, Flexible, Easy and Intuitive: How to Speed Up Your Pandas Projects
https://realpython.com/fast-flexible-pandas/
optimizing pandas looping speed:
https://engineering.upside.com/a-beginners-guide-to-optimizing-pandas-code-for-speed-c09ef2c6a4d6
Fast, Flexible, Easy and Intuitive: How to Speed Up Your Pandas Projects
https://realpython.com/fast-flexible-pandas/
