Help writing a class for my Trigger

Trigger code 
trigger updateAccountStatus on Opportunity (after insert, after update) {
  OpportunityTriggerHandler.afterEvent(Trigger.New);
}
///Handler class code 
public class OpportunityTriggerHandler{
	public static afterEvent(List<opportunity> oppList){
	  List<Account> accListToupdate=new List<Account>();
	   for(opportunity opp : oppList){
	    if(opp.AccountId != null){
		  Account acc=new Account(Id=opp.AccountId,Status__c = opp.Status__c,pproval_Progress__c = opp.StageName);
		  accListToupdate.add(acc);
		}
	   }
	   try{
	     update accListToupdate;
	   }catch(DMLException de){
	     System.debug(de);
	   }
	}
}

I have optimised code little bit ,In case  any doubt please let me know .