def product(x, y=1,z): multiple=1 if len(z)<=0: return xy else: for n in z: multiple=multiplen; return xy*multiple print('product(5) =', product(5)) product(5) = 5 print('product(5, 6) =', product(5, 6)) product(5, 6) = 30 print('product(5, 6, 7) =', product(5, 6, 7)) product(5, 6, 7) = 210 print('product(5, 6, 7, 9) =', product(5, 6, 7, 9)) product(5, 6, 7, 9) = 1890 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!')
def product(x, y=1,z): multiple=1 if len(z)<=0: return xy else: for n in z: multiple=multiplen; return xy*multiple
print('product(5) =', product(5)) product(5) = 5 print('product(5, 6) =', product(5, 6)) product(5, 6) = 30 print('product(5, 6, 7) =', product(5, 6, 7)) product(5, 6, 7) = 210 print('product(5, 6, 7, 9) =', product(5, 6, 7, 9)) product(5, 6, 7, 9) = 1890
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!')
测试成功!
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程乔静
测试成功!