from pyjop import *
SimEnv.connect()

#get a reference to the conveyor belt
conv = ConveyorBelt.find("_entityConveyorBelt0")
#get a reference to the range scanner
scanner = RangeFinder.find("_entityRangeFinder0")

while SimEnv.run_main():
    # add your code within this loop. mind the indendation
    
    # hints:
    # use variable conv to control "_entityConveyorBelt0"
    # use variable scanner to control "_entityRangeFinder0"
    # read the RFID tag scanned by scanner
    tag = scanner.get_rfid_tag()
    # if the tag is "Box" set conv's target_speed backwards (e.g. -2.0)
    # elif the tag is "Barrel", set it forwards (e.g. 2.0)
    # else (tag is empty / no tag) set conv's target_speed to 0