Task
📝 **Task:** Given \`a = {1, 2, 3, 4}\` and \`b = {3, 4, 5, 6}\`, find the intersection (sorted as a list for stable output) and print it. Expected: [3, 4]
📋 Edit the starter code below. Tests run automatically.
💡 **Hint:** Re-read the theory if you get stuck.