python计算列表元素与乘积详情_python_

numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] print(sum(numbers))

# 方式1 from functools import reduce numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] results = reduce(lambda x, y: x + y, numbers) print(results) # 方式2 from operator import add from functools import reduce numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] results = reduce(add, numbers) print(results)

numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] result = 0 for number in numbers: result += number print(result) 

numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] def cal(list1, size): if size: return list1[size - 1] + cal(list1, size - 1) return size print(cal(numbers, len(numbers)))

numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] result = 1 for number in numbers: result *= number print(result)

# 方式1 from functools import reduce numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] results = reduce(lambda x, y: x * y, numbers) print(results) # 方式2 from operator import mul from functools import reduce numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] results = reduce(mul, numbers) print(results)

numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] def cal(list1, size): if size == 0: return 1 return list1[size - 1] * cal(list1, size - 1) print(cal(numbers, len(numbers)))