lm","-l"])
Traceback (most recent call last):
File "", line 1, in
File "/usr/lib64/python2.7.../subprocess.py", line 537, in check_call
retcode = call(*popenargs, **kwargs)
File "/usr/lib64/python2.7.../subprocess.py", line 524, in call
return Popen(*popenargs, **kwargs).wait()
File "/usr/lib64/python2.7.../subprocess.py", line 711, in __init__
errread, errwrite)
File "/usr/lib64/python2.7/subprocess.py...>>> res.stdout.read() # 标准输出
b'/tmp/yum.log\n'
res.stdout.close() # 关闭
2、stderr
标准错误
>>> import subprocess