特殊的迭代器-生成器

import time

def work1():
    while True:
        print('任务1正在执行中')
        yield
        time.sleep(0.01)

def work2():
    while True:
        print('任务2正在执行中')
        yield
        time.sleep(0.01)

def main():
    work11=work1()
    work22=work2()
    while True:
        next(work11)
        next(work22)



if __name__ == '__main__':
        main()