func: function compare(uint8 _player,uint _comp) pure internal returns(uint8 result){
          
          
          uint8 _result;
  
          if (_player==0 && _comp==2){  
              _result = 2;
          }
  
          else if(_player==2 && _comp==0){ 
              _result = 0;
          }
  
          else if(_player == _comp){ 
              _result = 1;
          }
  
          else{
              if (_player > _comp){ 
                  _result = 2;
              }
              else{ 
                  _result = 0;
              }
          }
          return _result;
      }