擅长:python、mysql、java
<p>示例代码几乎是合理的,只是它可以立即解包变量并使用异常处理来处理错误</p>
<pre><code>import sys
while True:
try:
x,y = [int(i) for i in sys.stdin.readline().split()]
if x == 0 and y == 0:
break
print(x+y)
except ValueError:
# didn't have 2 values or one of them isn't an int
break
print("both are 0 or couldn't find 2 int's")
</code></pre>