函数的返回值的使用

笔记

def calc(a, b):print(a + b)calc(10, 20)
print(calc(1, 2))  # Nonedef calc2(a, b):s = a + breturn s  # 将s返回给函数的调用处去处理print('-' * 8)
get_s = calc2(1, 2)  # 储存到变量中
print(get_s)get_s2 = calc2(calc2(1, 2), 3)  # 1+2+3 先去执行calc2(1,2) 返回结果为3，再去执行calc2(3,3)
print(get_s2)def get_sum(num):s = 0  # 累加和odd_sum = 0  # 奇数和even_sum = 0  # 偶数和for i in range(1, num + 1):if i % 2 != 0:  # 说明是奇数odd_sum += ielse:even_sum += is += ireturn odd_sum, even_sum, s  # 三个值result = get_sum(10)
print(type(result))
print(result)
print(*result)# 解包赋值
a, b, c = get_sum(10)  # 返回三个值，元组类型
print(a)
print(b)
print(c)