From single-level index and headers to multi-level, why and how?
![Towards Data Science](https://miro.medium.com/v2/resize:fill:48:48/1*CJe3891yB1A1mzMdqemkdg.jpeg)
There are so many tutorials about Pandas, but most of them are trying to tell us some tricks. I still remember when I was a newbie to the Python Pandas library, I used to be confused about the index and headers, especially when there were multiple levels of them.