def mul(*args):
if args.__sizeof__()==0:
raise TypeError("至少需要一个参数来计算乘积")
else:
mul=1
for i in args:
mul=i*mul
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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Nuyoah.
def mul(*args):
if args.__sizeof__()==0:
raise TypeError("至少需要一个参数来计算乘积")
else:
mul=1
for i in args:
mul=i*mul
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!')