ftzzle.42.us.org/level12.html
ftzzle.42.us.org/level3.html
robozzle.com/
코멘트 영역(자연언어)
not true는 false니까 while문을 빠져나감
turm right-> while 무한루프
ru>> load_world("Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/worlds/beeper2.wld")