Exercise

Using the PythonOperator

You've implemented several Airflow tasks using the BashOperator but realize that a couple of specific tasks would be better implemented using Python. You'll implement a task to download and save a file to the system within Airflow.

The requests library is imported for you, and the DAG process_sales_dag is already defined.

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Define a function called pull_file with two parameters, URL and savepath.
Use the print() function and Python f-strings to write a message to the logs.