code: def show_key(self, value):
          
          keys = self.get_keys()
          keys = [x for x in keys if x['label'] == value]
          if len(keys) == 0:
              raise Exception("Unknown key")
          else:
              return keys[0]
docs: Get a specific canned key
  
          :type value: str
          :param value: Canned key to show
  
          :rtype: dict
          :return: A dictionnary containing canned key description