PYTHON Классы задача простая

 from random import randint
from collections import deque

class Box:
    def __init__(self, l, w, h):
        self.l, self.w, self.h = l, w, h

    def key(self): return - self.l - self.w

    def __repr__(self): return f"Box {self.l} x {self.w} x {self.h}"

N = 10
stack = deque(Box(*map(randint, (10,) * 3, (50,) * 3)) for _ in range(N))
lst = sorted(reversed(stack), key = Box.key)
print(*lst, sep = '\n')