Dive into the world of data visualization with Python using Altair 4.2 in this comprehensive tutorial video. Learn how to set up Jupyter in VSCode, create quick Altair plots, work with tidy data, and customize your visualizations. Explore plot layouts, interactive features, time unit transformations, and brush/selection techniques. Understand Altair's relationship with vega-lite and discover how to export your visualizations to HTML files. Based on the University of Washington's Data Visualization curriculum, this tutorial provides a solid foundation for creating stunning and informative data visualizations using Altair.