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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_terminal_converted(self, attr):
 """ Returns the value of the specified attribute converted to a representation value. :param attr: Attribute to retrieve. :type attr: :class:`everest.representers.attributes.MappedAttribute` :returns: Representation string. """

        value = self.data.get(attr.repr_name)
        return self.converter_registry.convert_to_representation(
                                                            value,
                                                            attr.value_type)