How to practice Tableau?

tableau

#1

I did finish training course in Udemy, the part about Tableau.
I want to make exercises. Where I can find a case (data set and questions to answer) ?


#2

How about following the recommendations mentioned here (https://www.analyticsvidhya.com/learning-paths-data-science-business-analytics-business-intelligence-big-data/tableau-learning-path/) in Step 5?