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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 validate_format(self, allowed_formats):
 """ Validate the allowed formats for a specific type. """

        if self.format in allowed_formats:
            return

        ui.error("Export type '{0}' does not accept '{1}' format, only: "
                 "{2}".format(self.type, self.format, allowed_formats))
        sys.exit(1)