Execute DART Online

import 'dart:isolate';  
void foo(var message){ 
   print('execution from foo ... the message is :${message}'); 
}  
void main(){ 
   
   Isolate.spawn(foo,'Greetings!!'); 
   Isolate.spawn(foo,'Welcome!!'); 
   Isolate.spawn(foo,'Hello!!'); 
   
  for(var i=0; i<3;i++)
  {print('aaaaaaaaaaaaaaaaaaa');}
   print('execution from main3');
   print('execution from main1'); 
   print('execution from main2');  
}