old_contents: """A basic (single function) API written using Hug"""
  import hug
  
  
  @hug.get('/happy_birthday', example="name=HUG&age=1")
  def happy_birthday(name, age:hug.types.number):
      """Says happy birthday to a user"""
      return "Happy {age} Birthday {name}!".format(**locals())
  
new_contents: """A basic (single function) API written using Hug"""
  import hug
  
  
  @hug.get('/happy_birthday', examples="name=HUG&age=1")
  def happy_birthday(name, age:hug.types.number):
      """Says happy birthday to a user"""
      return "Happy {age} Birthday {name}!".format(**locals())
  
subject: Update happy_birthday example to highlight correct usage of multi_example format