Sort by Key (Lambda)
Input: `items` (list of dicts with 'name', 'age'). Return: List sorted by 'age' ascending.
Example
Input: [{'name': 'A', 'age': 30}, {'name': 'B', 'age': 20}]
Output: [{'name': 'B', 'age': 20}, {'name': 'A', 'age': 30}]
Need a hint?
- Use: sorted(items, key=lambda x: x['age'])
Run your code to see output