उच्च-क्रम के फ़ंक्शन

items = [(3, 6), (1, 8), (4, 4), (6, 1)]
items.sort(key=lambda x: x[0] + x[1])
print(items)
# [(6, 1), (4, 4), (3, 6), (1, 8)]

def do(num1, num2, operation):
    res = operation(num1, num2)
    print(num1, num2, res)

do(2, 3, lambda x, y: x + y)    # 2 3 5
do(2, 3, lambda x, y: x - y)    # 2 3 -1
do(2, 3, lambda x, y: x * y)    # 2 3 6