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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 getattr(self, name, context=None):
 """this method doesn't look in the instance_attrs dictionary since it's done by an Instance proxy at inference time. """

        if name in self.instance_attrs:
            return self.instance_attrs[name]
        if name in self.special_attributes:
            return [self.special_attributes.lookup(name)]
        raise exceptions.AttributeInferenceError(target=self, attribute=name)