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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 remove_attribute(self, name):
 """ Removes given attribute from the node. Usage:: True ['attributeB'] :param name: Attribute name. :type name: unicode :return: Method success. :rtype: bool """


        if not self.attribute_exists(name):
            raise foundations.exceptions.NodeAttributeExistsError("Node attribute '{0}' doesn't exists!".format(name))

        del self[name]
        return True