Please find here a refresher for Python Python Refresher If you don’t find here, what you are looking for, you might want to deep dive here: References on Python Dataframes
First, you need to get your dataframes. There are several methods described.
Then, you might want to work on dataframes. This is a deep topic.
Matplotlib together with seaborn is still used for visualizaition. Please find some illustrations here: Seaborn
Altair enables interactive charts. Click on the chart below or on the following link to get to the interactive version for multiple selection.
You can get here a brief Altair overview.
You can find details directly in the Altair listing.