https://www.analyticsvidhya.com/blog/2021/05/pandas-functions-13-most-important/
Probably pretty accurate list.
https://towardsdatascience.com/1-line-of-python-code-for-data-profiling-660496883d8f
kind-of-amazing all-in-one data profiling package.
https://towardsdatascience.com/11-pandas-built-in-functions-you-should-know-1cf1783c2b9
Good intro to the panda way of thinking