You can copy and paste formats as easily as formulas.
I didn't assume anything regarding your skill level, I merely asked what was complicated about the task, implying that there could be more to it than I was seeing. You provided a screen capture with very little information and left us to guess exactly what the requirement was. I provided a suggestion that I thought was suitable based on that.
You will also notice that I wasn't the only person who thought that formatting was more applicable than a formula.