rovers.py

class Coords(tuple):

    def __new__(cls, x, y):
        return tuple.__new__(cls, (x, y))

    def __add__(self, other):
        return Coords(*([sum(x) for x in zip(self, other)]))

    def __sub__(self, other):
        return self.__add__(-i for i in other)


class Rover:

    def __init__(self, x, y, orientation):
        self.position = Coords(int(x), int(y))
        self.orientation = orientation
        self.ORIENTATIONS = 'NESW'

    def turn_left(self):
        self.orientation = self.ORIENTATIONS[self.ORIENTATIONS.index(self.orientation) -1]

    def turn_right(self):
        self.orientation = self.ORIENTATIONS[self.ORIENTATIONS.index(self.orientation) - (len(self.ORIENTATIONS) - 1)]

    def move_forward(self):
        directions = {
            'N': (0, 1),
            'E': (1, 0),
            'S': (0, -1),
            'W': (-1, 0)
        }
        self.position += directions[self.orientation]

    def do_instructions(self, instructions):
        for i in instructions:
            if i == 'L':
                self.turn_left()
            if i == 'R':
                self.turn_right()
            if i == 'M':
                self.move_forward()
        print("{} {} {}".format(self.position[0],
                                self.position[1],
                                self.orientation))

file = open('input.txt')
PLATEU_SIZE = (file.readline().strip('\n').split())
ROVERS = []

x, y, orientation = file.readline().strip('\n').split()
instructions = file.readline()

rover = Rover(x, y, orientation)
rover.do_instructions(instructions)

x, y, orientation = file.readline().strip('\n').split()
instructions = file.readline()

rover2 = Rover(x, y, orientation)
rover2.do_instructions(instructions)