Comprehension with two variables - explanation needed

[Steven D'Aprano]

Chris Angelico wrote:

> On Mon, Nov 24, 2014 at 3:42 PM, Steven D'Aprano <steve at pearwood.info>
> wrote:
>> Today dis() returns the above, tomorrow it may return:
>>
>>               0 LOAD_GLOBAL              0 (x)
>>               3 INCREMENT
>>               5 RETURN_VALUE
>>
>> (say), and the Python code remains the same even though the byte code is
>> different.
> 
> I hope not! The x in the original function was a local, not a global,

D'oh!

I mean, yes, that was a test to see if you were paying attention, and you
have passed! Well done.

*whistles nonchalantly*


-- 
Steven