import utime
from machine import Pin
import urandom

onboard_led1=Pin(0,Pin.OUT)
onboard_led2=Pin(22,Pin.OUT)

#1)
# onboard_led1.value(1)

#2)
# onboard_led1.value(1)
# utime.sleep(3)
# onboard_led1.value(0)

#3)
# while True:
#     onboard_led1.toggle()
#     utime.sleep(2)

#4)
# led1=Pin(0,Pin.OUT)
# led2=Pin(0,Pin.OUT)
# led3=Pin(22,Pin.OUT)
# led4=Pin(22,Pin.OUT)
# while True:
#     led1.value(1)
#     # led2.value(1)
#     utime.sleep(2)
#     led1.value(0)
#     # led2.value(0)

#     led3.value(1)
#     # led4.value(1)
#     utime.sleep(2)
#     led3.value(0)
#     # led4.value(0)

#5)
# red=Pin(0,Pin.OUT)
# orange=Pin(22,Pin.OUT)
# green=Pin(28,Pin.OUT)

# def all_off():
#     red.off()
#     orange.off()
#     green.off()

# while True:
#     all_off()
#     red.on()
#     utime.sleep(urandom.randint(2,5))

#     all_off()
#     orange.on()
#     utime.sleep(urandom.randint(2,5))

#     all_off()
#     green.on()
#     utime.sleep(urandom.randint(2,5))


#6)
A=Pin(6,Pin.IN,Pin.PULL_DOWN)
B=Pin(7,Pin.IN,Pin.PULL_DOWN)

led_and=Pin(0,Pin.OUT)
led_or=Pin(22,Pin.OUT)
led_xor=Pin(28,Pin.OUT)

while True:
    a=A.value()
    b=B.value()

    led_and.value(a&b)
    led_or.value(a|b)
    led_xor.value(a^b)
    utime.sleep(0.1)