python执行shell命令

import subprocess


def cmd(command):
    subp = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, encoding="utf-8")
    return subp.communicate()


res = cmd("ls -l")
res = res[0]
res = res.split("\n")
for line in res:
    print(line)

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