Access File Data by Using Python [Guided]

In this challenge you will use Python to process data from files. You will read data from comma-separated value (CSV) files, process individual records, and manipulate sets of data with Python. Finally, you will write data to a CSV file. Note: Once you begin a challenge you will not be able to pause, save, or return to your progress. Please ensure you have set aside enough time to complete the challenge before you start.