While creating a cluster for the databricks video

Full Certification Question

While creating a cluster for the engineering team, the Databricks admin added the ENV=PROD in Environment variables. The engineering team is using this environment variable for fetching data from the S3 bucket in the fetch_details notebook. A new member joins the team and needs to fetch data from the DEV environment instead of PROD . The member runs the following command in a new notebook to update the environment variable: import os os.environ["ENV"] = 'DEV' Which of the following statements describes the effect of the command?