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python计算列表元素与乘积详情

作者：Python热爱者　　发布时间：2023-05-12 00:50:19　

标签：python,计算,列表,元素,乘积

插入代码块

使用sum函数：

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

使用reduce函数：

# 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)

使用for循环：

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

使用递归：

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)))

列表乘积计算

使用for循环：

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

使用reduce函数：

# 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)

使用递归函数：

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)))

来源：https://blog.csdn.net/qdPython/article/details/126017314

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