code: def call(self, name, options=None, o=None):
          
          if options is None:
              options = []
  
          command = self.get_application().find(name)
  
          options = [('command', command.get_name())] + options
  
          return command.run(ListInput(options), o)
docs: Call another command.
  
          :param name: The command name
          :type name: str
  
          :param options: The options
          :type options: list or None
  
          :param o: The output
          :type o: cleo.outputs.output.Output