code: def echo(self, variableName, verbose=False):
          
          PARAMS={"variableName":variableName}
          response=api(url=self.__url+"/echo", PARAMS=PARAMS, verbose=verbose)
          return response
docs: The echo command will display the value of the variable specified by the
          variableName argument, or all variables if variableName is not provided.
  
          :param variableName: The name of the variable or '*' to display the value of all variables.
          :param verbose: print more