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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 get_classes(self):
 """ Returns all Java Classes from the DEX objects as an array of DEX files. """

        for idx, digest in enumerate(self.analyzed_vms):
            dx = self.analyzed_vms[digest]
            for vm in dx.vms:
                filename = self.analyzed_digest[digest]
                yield idx, filename, digest, vm.get_classes()