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import blockext
from blockext import *
@predicate("true or false")
def tf():
import random
return random.choice((True, False))
@reporter("numify %b")
def numify(value):
return int(not value)
@command("set light to %b")
def set_light(boolean_value):
print("light is {}".format("on" if boolean_value else "off"))
menu("city", ["Boston", "Bournemouth", "Barcelona", "Belgium"])
@reporter("lookup weather in %m.city")
def weather(city="Boston"):
import time
return "{weather} in {city}".format(city=city,
weather=["sunny", "cloudy", "rainy", "snowy"][int(time.time() % 4)])
menu("motor", [1, 2, 3, "A", "B", "C"])
@command("move motor %d.motor by %n degrees", blocking=True)
def move_motor(motor="A", angle=4):
print("move {motor} by {angle} degrees!".format(motor=motor, angle=angle))
time.sleep(1)
print("...")
@reporter("light sensor value")
def light():
import random
return random.randint(0, 100)
@command("drive %n steps")
def move(steps):
print("." * steps)
if __name__ == "__main__":
blockext.run("Disappointing UFO", "ufo", 5678)
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