Importing again and again

[John Bokma]

"abcd" <codecraig at gmail.com> wrote:

> If I have code which imports a module over and over again...say each
> time a function is called, does that cause Python to actually re-import
> it...or will it skip it once the module has been imported??
> 
> for example:
> 
> def foo():
>     import bar
>     bar.printStuff()
> 
> foo()
> foo()
> foo()
> foo()
> 
> ...will that re-import bar 4 times...or just import it once?  is this a
> big performance hit?

I am new to Python so this might be a weird question, but it there a 
reason why you import bar inside foo?

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