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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 default_value(self, default_value):
 """Setter for default_value. :param default_value: The default value. :type default_value: object """

        # For custom value
        if default_value not in self.default_values:
            if len(self.default_labels) == len(self.default_values):
                self.default_values[-1] = default_value
            else:
                self.default_values.append(default_value)

        self._default_value = default_value