python中执行shell的方法

import subprocess
  
x = subprocess.check_output("docker ps | grep wget | awk -F ‘[ ]+‘ ‘{print $NF}‘ ", shell=True)
#data = x.communicate()
print(x)
print(type(x))

print(x.decode())       # 默认 encoding="utf-8"

import subprocess

proc = subprocess.Popen(["start", r"C:\Users\jinhong\Desktop\tiger.mp3"], shell=True)

# 会使用默认播放软件进行播放

import os

>>> x = os.popen("docker ps | grep wget | awk -F ‘[ ]+‘ ‘{print $NF}‘ ").read()
>>> x
‘wget1\n‘
>>> x.strip()
‘wget1‘