A Guide to Designing Function Give each function exactly one job,but make it apply to many related situations >>>round(1.23) >>round(1.23,1) >>round(1.23,0) >>round(1.23,5) 1 1.2 1 1.23 Don't repeat yourself (DRY).Implement a process just once,but execute it many times.A Guide to Designing Function Give each function exactly one job, but make it apply to many related situations >>> round(1.23) 1 >>> round(1.23, 1) 1.2 >>> round(1.23, 0) 1 >>> round(1.23, 5) 1.23 Don’t repeat yourself (DRY). Implement a process just once, but execute it many times