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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_or_init_instance(self, instance_loader, row):
 """ Either fetches an already existing instance or initializes a new one. """

        instance = self.get_instance(instance_loader, row)
        if instance:
            return (instance, False)
        else:
            return (self.init_instance(row), True)