code: def boot(cls, *args, **kwargs):
          
          if cls.accessor is not None:
              if cls.instance is None:
                  cls.instance = cls.accessor(*args, **kwargs)
docs: Function creates the instance of accessor with dynamic
          positional & keyword arguments.
  
          Args
          ----
            args (positional arguments): the positional arguments
              that are passed to the class of accessor.
            kwargs (keyword arguments): the keyword arguments
              that are passed to the class of accessor.