need help on a data structure problem

[Ben Finney]

"Dongsheng Ruan" <ruan at jcmills.com> writes:

> Not quite related with Python. But my Data Structure course is
> experiemented on python and there is no data structure group, So I
> have to post here:

Better, you should discuss it in your class, with your teacher.

-- 
 \     "As we enjoy great advantages from the inventions of others, we |
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Ben Finney