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Why aren't python nested functions called closures?

I have seen and used nested functions in Python, and they match the definition of a closure. So why are they called nested functions instead of closures ? ...
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How do you list the active minor modes in emacs?

... C-h m or M-x describe-mode shows all the active minor modes (and major mode) and a brief description of each. share | improve this answer | follow ...
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How to sort git tags by version string order of form rc-X.Y.Z.W?

When I enter a command: 7 Answers 7 ...
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Django : How can I see a list of urlpatterns?

...r settings like this: INSTALLED_APPS = ( ... 'django_extensions', ... ) And then, run this command in your terminal ./manage.py show_urls For more information you can check the documentation. share | ...
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What's the difference between the Dependency Injection and Service Locator patterns?

...ck implementations of its dependent objects. You could combine the two -- and inject the service locator (or a factory), if you wanted. share | improve this answer | follow ...
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What is the difference between self::$bar and static::$bar in PHP?

What is the difference between using self and static in the example below? 5 Answers ...
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Most efficient way to reverse a numpy array

...g a view into the original array. You can then change the original array, and the view will update to reflect the changes. Are you re-creating the view more often than you need to? You should be able to do something like this: arr = np.array(some_sequence) reversed_arr = arr[::-1] do_something(...
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How to save a data.frame in R?

... There is also dump and files created would be source()-ed, although the help(dump) page says save is "safer". – IRTFM Dec 1 '11 at 17:44 ...
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Python exit commands - why so many and when should each be used?

It seems that python supports many different commands to stop script execution. The choices I've found are: quit() , exit() , sys.exit() , os._exit() ...
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Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)

...tion) Solution: Go to http://www.google.com/accounts/DisplayUnlockCaptcha and click continue (this will grant access for 10 minutes for registering new apps). After this my app in production started sending emails ;) share ...