# Part of solution to day 17 of AOC 2019, "Set and Forget".
# https://adventofcode.com/2019/day/17
from ascii import Ascii
analyser = Ascii()
# analyser.load_test_screen('test_screen_1.txt')
analyser.refresh_screen()
analyser.render_screen()
analyser.turn_right()
# Find robot's path to end of scaffolding.
path_ahead = True
while path_ahead:
analyser.forward()
path_ahead = analyser.seek()
# Send path the robot followed to stdout.
for step in analyser.robot_trail:
print(step, end='')
if step not in {'R', 'L'}:
print(' ', end='')
