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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def process(self):
 """ Process all classes inside the machine. This calls :meth:`~androgaurd.decompiler.dad.decompile.DvClass.process` on each :class:`DvClass`. """

        for name, klass in self.classes.items():
            logger.debug('Processing class: %s', name)
            if isinstance(klass, DvClass):
                klass.process()
            else:
                dvclass = self.classes[name] = DvClass(klass, self.vma)
                dvclass.process()