多线程

"""
author:张鑫
date:2021/8/26 15:44
"""
'''
并发：多个进程交替执行，单核CPU
并行：多个进程同时执行，多核CPU
'''
import multiprocessing
import time


def q(num):
    for i in range(num):
        print(i)
        time.sleep(0.5)


def w(num, name):
    for j in range(num):
        print(j, name)
        time.sleep(0.5)


if __name__ == '__main__':
    process_a = multiprocessing.Process(target=q(3))
    process_b = multiprocessing.Process(target=w(3, 'a'))
    process_a.start()
    process_b.start()