直接上代码,了解的人能看懂的。

{% highlight python %}

!/usr/bin/env python

s1 = {2}
s2 = {}

try:
i1 = s1.pop()
print "T1"
try:
i2 = s2.pop()
print "T2"
except:
print "E2"
except:
print "E1"
{% endhighlight %}

-EOF-

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