class Dog:
    def __init__(self, name, weight):
        self.name = name
        self.weight = weight

    def __repr__(self) -> str:
        return f'{self.name} {self.weight}'


def stupid_func(dog):
    return dog.weight


dogs = [Dog('Jack', 12.3), Dog('Benny', 14.3), Dog('Kody', 13.2)]
sorted_dogs_by_weight_1 = sorted(dogs, key=lambda dog: dog.weight)
print(sorted_dogs_by_weight_1)
sorted_dogs_by_weight_2 = sorted(dogs, key=stupid_func)
print(sorted_dogs_by_weight_2)