Task
📝 **Task:** Merge \`a = {"x": 1, "y": 2}\` and \`b = {"y": 99, "z": 3}\` (b wins on conflicts). Print sorted items as a dict. Expected: {'x': 1, 'y': 99, 'z': 3}
📋 Edit the starter code below. Tests run automatically.
💡 **Hint:** Re-read the theory if you get stuck.