input: Write a python function to create a full name from a Person object.
  assert create_full_name(Person("John", "Doe", 30)) == "John Doe"
  assert create_full_name(Person("Jane", "Smith", 25)) == "Jane Smith"
  assert create_full_name(Person("Emily", "Jones", 40)) == "Emily Jones"
output: def create_full_name(person):
      return f"{person.first_name} {person.last_name}"