File Handling

Summary

Reading test data from files (CSV, JSON, Excel) and writing test output/reports to files — a common need in data-driven testing and custom reporting.

• 1Write a script that reads test data from a CSV file and uses it to drive a test loop.
• 2Practice writing test results to an output file for later review.
• 3Learn to handle a missing or malformed file gracefully rather than crashing.