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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 about_action(self):
 """ Simple string describing the action. """

        name = self.action.metavar or self.action.dest
        type_name = self.action.type.__name__ if self.action.type else ''
        if self.action.help or type_name:
            extra = ' (%s)' % (self.action.help or 'type: %s' % type_name)
        else:
            extra = ''
        return name + extra