def product(*numbers): if len(numbers) == 0: raise TypeError('请输入数值') else: s = 1 for n in numbers: s = s * n return s # 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!')
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阿斯巴甜味沐二