CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutSign UpSign In
jackfrued

CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!

GitHub Repository: jackfrued/Python-100-Days
 Path: blob/master/Day16-20/code/example23.py
Views: 729
1
"""

2
协程（coroutine）- 可以在需要时进行切换的相互协作的子程序

3
"""

4
import asyncio

5


6
from example15 import is_prime

7


8


9
def num_generator(m, n):

10
    """指定范围的数字生成器"""

11
    yield from range(m, n + 1)

12


13


14
async def prime_filter(m, n):

15
    """素数过滤器"""

16
    primes = []

17
    for i in num_generator(m, n):

18
        if is_prime(i):

19
            print('Prime =>', i)

20
            primes.append(i)

21


22
        await asyncio.sleep(0.001)

23
    return tuple(primes)

24


25


26
async def square_mapper(m, n):

27
    """平方映射器"""

28
    squares = []

29
    for i in num_generator(m, n):

30
        print('Square =>', i * i)

31
        squares.append(i * i)

32


33
        await asyncio.sleep(0.001)

34
    return squares

35


36


37
def main():

38
    """主函数"""

39
    loop = asyncio.get_event_loop()

40
    future = asyncio.gather(prime_filter(2, 100), square_mapper(1, 100))

41
    future.add_done_callback(lambda x: print(x.result()))

42
    loop.run_until_complete(future)

43
    loop.close()

44


45


46
if __name__ == '__main__':

47
	main()

48


49