m03_animalBehavior.py

# import some outside helper libraries
# they contain code that is available for us to use
# and simplify our life
from easygopigo import *    # sensor functions
from gopigo import *
import atexit               # library that will give us a nice exit

# this registers a function that will be called
# each time the code ends, and regardless
# of why it ends (intentional or not)
@atexit.register
def cleanup():
    stop()  # we want the gopigo to stop
    print ("Good bye!")

# name the light sensor in our code so we can control it
# you get to name it. Right now its name is my_light
# if you change that, you need to change it when reading it
# REMINDER: the light sensor goes into Port A1
my_light = LightSensor("A1")

# this is the same as a Scratch forever loop
print("To stop a forever loop, use Ctrl-C on your keyboard")
while True:

        # we don't need to broadcast anything before reading the value
        # one of the advantages of Python!
        # we can read the sensor directly

        #  check light sensor value by using the sensor name
        lightValue = my_light.read()
        print(lightValue)

        # take decision to go forward or to stop
        if lightValue > 500:
            forward()
        else:
            stop()