mql5 list all available symbols

int total=SymbolsTotal(true)-1;
   
  for(int i=total-1;i>=0;i--)
  {
   string Sembol=SymbolName(i,true);
   Print("Number: "+string(i)+" Sembol Name: "+Sembol+" Close Price: ",iClose(Sembol,0,0));
  }