python 输入一个数n,求n个数求乘或求和的实例

求和

try:
while True:
 n=input()
 s=1
 for x in raw_input().split():
  s=s+int(x)
 print s
except EOFError:
exit()

求乘

try:
while True:
 n=input()
 s=1
 for x in raw_input().split():
  s=s*int(x)
 print s
except EOFError:
exit()

来源：https://blog.csdn.net/aaakirito/article/details/79306546