key-parameter-10.py

import random
import heapq

numbers = [random.randint(1, 50) for _ in range(20)]

print(numbers)


# 'max()' with a different rule.
# Can you figure out the rule?
print(
    heapq.nlargest(
        3,
        numbers,
        key=lambda x: sum(int(y) for y in str(x)),
    )
)