Instruction
Well done! When you work with real data, you will often group your rows multiple times by various columns to calculate different statistics. That's why we should practice that a bit more.
Exercise
What is the best movie rating in each genre? Group all movies by genre, and then use the max() function.
Stuck? Here's a hint!
Start with:
movies.groupby('genre')
Then use the max() function on movie rating.



