Python利用Event类模拟红绿灯

#利用Event类模拟红绿灯
import threading
import time

event = threading.Event()


def lighter():
    count = 0
    event.set()     #初始值为绿灯
    while True:
        if 5 < count <=10 :
            event.clear()  # 红灯，清除标志位
            print("33[41;1mred light is on...33[0m")
        elif count > 10:
            event.set()  # 绿灯，设置标志位
            count = 0
        else:
            print("33[42;1mgreen light is on...33[0m")

        time.sleep(1)
        count += 1

def car(name):
    while True:
        if event.is_set():      #判断是否设置了标志位
            print("[%s] running..."%name)
            time.sleep(1)
        else:
            print("[%s] sees red light,waiting..."%name)
            event.wait()
            print("[%s] green light is on,start going..."%name)

light = threading.Thread(target=lighter,)
light.start()

car = threading.Thread(target=car,args=("MINI",))
car.start()

　　

#利用Event类模拟红绿灯
import threading
import time

event = threading.Event()


def lighter():
count = 0
event.set()     #初始值为绿灯
while True:
if 5 < count <=10 :
event.clear()  # 红灯，清除标志位
print("33[41;1mred light is on...33[0m")
        elif count > 10:
event.set()  # 绿灯，设置标志位
count = 0
else:
print("33[42;1mgreen light is on...33[0m")

        time.sleep(1)
        count += 1

def car(name):
while True:
if event.is_set():      #判断是否设置了标志位
print("[%s] running..."%name)
            time.sleep(1)
        else:
print("[%s] sees red light,waiting..."%name)
            event.wait()
            print("[%s] green light is on,start going..."%name)

light = threading.Thread(target=lighter,)
light.start()

car = threading.Thread(target=car,args=("MINI",))
car.start()