def mul (*args):
if not args:
raise TypeError('不能为空值!')
if isinstance(args,str):
raise TypeError('请输入数值!')
else:
mul=1
for i in args:
mul*=i
return mul
# 测试
print('mul(5) =', mul(5))
print('mul(5, 6) =', mul(5, 6))
print('mul(5, 6, 7) =', mul(5, 6, 7))
print('mul(5, 6, 7, 9) =', mul(5, 6, 7, 9))
if mul(5) != 5:
print('测试失败!')
elif mul(5, 6) != 30:
elif mul(5, 6, 7) != 210:
elif mul(5, 6, 7, 9) != 1890:
try:
mul()
except TypeError:
print('测试成功!')
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def mul (*args):
if not args:
raise TypeError('不能为空值!')
if isinstance(args,str):
raise TypeError('请输入数值!')
else:
mul=1
for i in args:
mul*=i
return mul
# 测试
print('mul(5) =', mul(5))
print('mul(5, 6) =', mul(5, 6))
print('mul(5, 6, 7) =', mul(5, 6, 7))
print('mul(5, 6, 7, 9) =', mul(5, 6, 7, 9))
if mul(5) != 5:
print('测试失败!')
elif mul(5, 6) != 30:
print('测试失败!')
elif mul(5, 6, 7) != 210:
print('测试失败!')
elif mul(5, 6, 7, 9) != 1890:
print('测试失败!')
else:
try:
mul()
print('测试失败!')
except TypeError:
print('测试成功!')