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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_dict_for_field(self, field_name):
 """ Return a dictionary containing `label` and `value` values to display for a field. """

        try:
            field = self.model._meta.get_field(field_name)
        except FieldDoesNotExist:
            field = None
        return {
            'label': self.get_field_label(field_name, field),
            'value': self.get_field_display_value(field_name, field),
        }