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  3. Parallel Programming with Dask in Python

Exercise

Analyzing songs on Spotify

You have a list of CSV files that you want to aggregate to investigate the Spotify music catalog. Importantly, you want to be able to do this quickly and to utilize all your available computing power to do it.

Each CSV file contains all the songs released in a given year, and each row gives information about an individual song.

dask and delayed() have been imported for you, and the list of filenames is available in your environment as filenames. pandas has been imported as pd.

Instructions 1/4

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  • Use a delayed version of the pd.read_csv() function to load in each of the files as a DataFrame.