input: Write a python function to create an instance of the Employee class, set the name and age, and display the age.
  ```python
  assert create_and_display_employee("John", 30) == 30
  assert create_and_display_employee("Jane", 25) == 25
  assert create_and_display_employee("Alice", 40) == 40
output: class Employee:
      def __init__(self, name, age):
          self.name = name
          self.age = age
  
  def create_and_display_employee(name, age):
      employee = Employee(name, age)
      return employee.age