Philippe C. Martin wrote:
Thank you all for your answers, I guess I would not have made Python 101:-)
As far as I was concerned, importing a module twice would have resulted in
loading the file twice.
Background on that: importing the module the first time causes the
code in it to be executed (i.e. all those def statements and such)
and the resulting module gets a reference stored in sys.modules
(which is a dictionary you might want to examine at the prompt
to see how it looks). Any subsequent "import" of the same module
will just retrieve a reference to it from sys.modules, so the
second and later imports are effectively instantaneous...
-Peter
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