input: Write a python function to create an Employee object and access its attributes.
  assert create_employee("John", 30, 50000).name == "John"
  assert create_employee("John", 30, 50000).age == 30
  assert create_employee("John", 30, 50000).salary == 50000
output: def create_employee(name, age, salary):
      class Employee:
          def __init__(self, name, age, salary):
              self.name = name
              self.age = age
              self.salary = salary
              
      return Employee(name, age, salary)