Doodle Snake is the game where the gamer guides the snake
   to eat as many food items as it can.
   The game is finished if it dashes against any wall or passes
   over its own tail.

   The arrow keys are to be used to turn the snake in the required direction.
   The tail of the snake gets longer as it consumes more food items.
   The snake is not spposed to dash against any wall or pass over its own tail.