Python与操作系统CMD命令交互

os.popen()

import os
# 执行错误命令就返回乱码
r = os.popen('ipconfig')
# read读取执行结果
print(r.read())

subprocess.Popen()

import subprocess
r = subprocess.Popen('dir', shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)