input: Write a python function to sort a list of students by their names in ascending order.
  assert sort_students_by_name([{"name": "John", "age": 21}, {"name": "Alice", "age": 23}, {"name": "Bob", "age": 22}]) == [{"name": "Alice", "age": 23}, {"name": "Bob", "age": 22}, {"name": "John", "age": 21}]
  assert sort_students_by_name([{"name": "Zara", "age": 30}, {"name": "Mona", "age": 25}, {"name": "Liam", "age": 22}]) == [{"name": "Liam", "age": 22}, {"name": "Mona", "age": 25}, {"name": "Zara", "age": 30}]
  assert sort_students_by_name([{"name": "Charlie", "age": 20}, {"name": "Bravo", "age": 19}, {"name": "Alpha", "age": 18}]) == [{"name": "Alpha", "age": 18}, {"name": "Bravo", "age": 19}, {"name": "Charlie", "age": 20}]
output: def sort_students_by_name(students):
      return sorted(students, key=lambda student: student['name'])