input: Write a python function to create a class Person with attributes name, age, and gender, and a method to display these attributes.
  assert Person("John", 28, "Male").display_person() == "Name: John\nAge: 28\nGender: Male"
  assert Person("Jane", 25, "Female").display_person() == "Name: Jane\nAge: 25\nGender: Female"
  assert Person("Doe", 30, "Non-binary").display_person() == "Name: Doe\nAge: 30\nGender: Non-binary"
output: def Person:
      class Person:
          def __init__(self, name, age, gender):
              self.name = name
              self.age = age
              self.gender = gender
  
          def display_person(self):
              return f"Name: {self.name}\nAge: {self.age}\nGender: {self.gender}"