[issue28581] Allow running code without explicitly saving the file.

[perilbrain]

perilbrain added the comment:

Thanks Terry, I tried searching for a similar issue but failed.

Feels like signing contributor form will take a while.
Meantime please feel free to tweak/improve and implement code in your way (Mine is a bit rough solution not even abiding by naming convention), if this is some licensing issue.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28581>
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