python from funcy import * def square_and_sum(numbers): return sum(map(square, numbers)) @memoize def optimized_square_and_sum(numbers): return compose(sum, mapcat(square))(numbers) numbers = [1, 2, 3, 4, 5] result = square_and_sum(numbers) print(result) optimized_result = optimized_square_and_sum(numbers) print(optimized_result)