python 多线程模块 subprocess 简单易上手！！
https://www.jb51.net/article/142787.htm#_label3
import time
import subprocess

print(time.time())
res_1 = subprocess.Popen('echo 1; sleep 5', shell=True)
res_2 = subprocess.Popen('echo 1; sleep 10', shell=True)
res_1.wait()
print(time.time())
print(res_2.poll())
res_2.wait()
print(time.time())
print(res_2.poll())