Atta Non None

In programming, "atta" typically refers to the `@` symbol used in decorators, which modify or enhance functions or classes in languages like Python. "None" is a special value indicating the absence of a value or no data. When used together, "atta" and "none" might relate to checking whether a particular feature or decorator (atta) is applied or whether a variable has no value (none). Essentially, they are tools to control and check the behavior of code—"atta" for applying modifications and "none" for representing empty or missing data.