MakeComputer initializes a new comp.

MakeRobot returns an instance of a Robot.

Print2DGrid is day17 specific.

Intcode is an OOP approach ************************************************* MakeComputer is equivalent to the constructor Step takes in an input int and updates properties in the computer: - InstructionIndex: where to read the next instruction from - LastOutput, what the last opcode 4 outputted - PuzzleIndex based if the last instruction modified the puzzle at all ****************************************************************************/.

Robot struct to maintain detail's on the Robot's coordinates, path.