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Counting genre popularity

To find the most common genres across the catalog, reshape the genres list column so each genre lands on its own row, then compute a sorted value count to see which genres top the list.

The movies DataFrame is preloaded for you.

Cet exercice fait partie du cours

<cours>Scaling and Optimizing Data Pipelines with Polars</cours>
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Instructions de l’exercice

  • Explode the genres list column so each genre has its own row.
  • Compute the top 10 most common genres using a sorted value count.

Exercice interactif pratique

Essayez cet exercice en complétant ce code d’exemple.

# Put each genre on its own row
genres = movies.select("genres").____("genres")["genres"]

# Rank by frequency
result = genres.drop_nulls().____(sort=True).head(10)
print(result)
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