You are required to walk through the code and make any changes to make it functional$+//$int PGMPin $=10$;int motorDirectionPin$1=6$;int motorDirectionPin$2=7$;int fwdBtn $=10$;int stopBtn $=13$;void setup$()\{//$ put your setup code here, to run once:pinMode $($PWMPin$,$ OUTPUT$)$;pinMode $($dir$1,$ INPUT$)$;pinMode $($dir$2,$ OUTPUT$)$ ;$\}$void loop $()\{//$ put your main code here, to run repeatedly:analogWrite $($PGMPin$,255)$;if $($digitalRead$($fwdBtn $==$ HIGH & digitalRead$($stopBtn$)==$ LOW$)$digitalWrite $($dir$1,$ HIGH$)$;digitalWrite $($dir$2,$ LOW$)$;$\}$else if $($digitalRead$($stopBtn$)==$ HIGH && digitalRead$($fwdBtn$)==$ HIGH$)\{$digitalWrite $($motorDirectionPin$1,$ LOW$)$;digitalWrite $($motorDirectionPin$2,$ HIGH$)$;$\}\}\}$