def run_robot(facing, pos, colour):
inq = Queue()
outq = Queue()
robot = IntCode(memory.copy(), inq, outq)
robot.start()
grid = {}
grid[pos] = colour
inq.put(colour)
DX = {0: 1, 1: 0, 2: -1, 3: 0}
DY = {0: 0, 1: 1, 2: 0, 3: -1}
while robot.is_alive():
colour = outq.get()
turn = outq.get()
grid[pos] = colour
facing = (facing + (1 if turn else -1)) % 4
pos = (pos[0] + DX[facing], pos[1] + DY[facing])
inq.put(grid[pos] if pos in grid else 0)
return grid
from queue import Queue
from intcode import print_grid, IntCode
with open('13.in') as f:
memory = [int(x.strip()) for x in f.read().split(',')]
inq = Queue()
outq = Queue()
t = IntCode(memory.copy(), inq, outq)
t.start()
blocks = 0
grid = {}
while t.is_alive():
(x, y, i) = (outq.get(), outq.get(), outq.get())
grid[(x, y)] = i
t.join()
blocks = 0
for pos, tile in grid.items():
if tile == 2:
blocks += 1
print('part 1: ', blocks)
grid_values = {0: ' ', 1: '█', 2: '#', 3: '-', 4: 'o'}
with open('13.in') as f:
memory = [int(x.strip()) for x in f.read().split(',')]
print('part 2')
inq = Queue()
outq = Queue()
memory[0] = 2
t = IntCode(memory.copy(), inq, outq)
