Amity Tracking — Save Sightings
“If it’s not logged, it didn’t happen.” — Harbor Telemetry
Challenge: Append shark sightings to a CSV log.
Research Station • Data Logger
Task:
  1. Implement save_sighting(file_name, shark_id, location).
  2. Append a row: ISO timestamp, shark_id, location.
  3. Click Run Unit Tests. If all tests pass, you'll get the flag.