Context

My idea is from multiple resources. First, 15112 teaches me how to do animation by coding. It's quite useful because it's gonna be such a pain if I use premier or photoshop to do such a lot video editing. Second, I got the idea about hiding information from fox news. Actually, lots of professors got very close grades on their courses but my chart does not show data starting from zero, so the difference is actually far more dramatic than it should have been. Third, I got some intuition from the online data representation websites in the guide. I found that those visualizations which has multiple colors are more distractive and beautiful, so I chose different colors for the pie.