#Exercice1: feu de circulation
from machine import Pin
from picozero import Speaker
from utime import sleep
ledR = Pin(1, Pin.OUT)
ledJ = Pin(2, Pin.OUT)
ledV = Pin(3, Pin.OUT)
Buzzer = Speaker(27)

while True:
  ledR.on() ; Buzzer.on() # R and Buzer On
  ledJ.off(); ledV.off()  # J and V Off
  sleep(5)
  ledR.off(); Buzzer.off() # R and Buzer Off
  ledJ.on() # J On
  sleep(1)
  ledJ.off()
  ledV.on()
  sleep(6)
  ledV.off()
  for i in range(10):
    ledJ.toggle()
    sleep(0.2)