Does python have the static function member like C++

[人言落日是天涯，望极天涯不见家]

I define the class like this:
class AAA:
    counter = 0
    def __init__(self):
        pass
    def counter_increase():
        AAA.counter += 1
        print "couter now :", AAA.counter

But how could I call the function "counter_incrrease" ?

Thanks !

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