input: Write a function to create an Employee object and set its attributes.
  assert create_employee("Alice", 28, 4500).name == "Alice"
  assert create_employee("Alice", 28, 4500).age == 28
  assert create_employee("Alice", 28, 4500).salary == 4500
  assert create_employee("Bob", 35, 6000).name == "Bob"
  assert create_employee("Bob", 35, 6000).age == 35
  assert create_employee("Bob", 35, 6000).salary == 6000
output: class Employee:
      def __init__(self, name, age, salary):
          self.name = name
          self.age = age
          self.salary = salary
  
  def create_employee(name, age, salary):
      return Employee(name, age, salary)