PYTHON

execute command in python script

import os

os.system("ma Commande")

#Exemple:

os.system("cd Documents")

Shell script to run python

In the file job.sh, put this
#!/bin/sh
python python_script.py
Execute this command to make the script runnable for you : chmod u+x job.sh
Run it : ./job.sh

run a shell script from python

import subprocess

output = subprocess.check_output('pidstat -p ALL'.split(' '), stderr=subprocess.STDOUT, universal_newlines=True)
print(output)

call shell script from python

import subprocess
subprocess.call(["./shell.sh"])

# Make sure that "shell.sh" has "+x" permissions