设计函数:
# -*- coding: utf-8 -*-
def product(x,*z):
sum=1*x
for t in z:
sum=sum*t
return sum
执行函数:
# 测试 print('product(5) =', product(5)) print('product(5, 6) =', product(5, 6)) print('product(5, 6, 7) =', product(5, 6, 7)) print('product(5, 6, 7, 9) =', product(5, 6, 7, 9)) if product(5) != 5: print('测试失败!') elif product(5, 6) != 30: print('测试失败!') elif product(5, 6, 7) != 210: print('测试失败!') elif product(5, 6, 7, 9) != 1890: print('测试失败!') else: try: product() print('测试失败!') except TypeError: print('测试成功!')
运行结果:
product(5) = 5
product(5, 6) = 30
product(5, 6, 7) = 210
product(5, 6, 7, 9) = 1890
测试成功!