1

Hi I tried the following example (i don't have im in the global) and found that the program actually runs and outputs 10.

Is Python dynamic scoped? 

def useGlobal():
    def inSide():
        print 'inside',
        print b
    b = 5
    print im
    inSide()

if __name__ == '__main__':

    im = 10
    useGlobal()
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  • Why do you need global variables? I can not remember having used global variables in my 18 Python years. Commented Mar 29, 2011 at 9:31
  • 1
    @RestRisiko, that sounds impossible. Note that @Yin's code above uses 3 global variables: __name__, im, and useGlobal. Commented Mar 29, 2011 at 12:02

1 Answer 1

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9

The if statement doesn't create another scope in Python, therefore, the "im" is in the module level, namely, the global scope.

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