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How to run shell command in python

Python run a system command

import os
cmd = "git --version"
returned_value = os.system(cmd)  # returns the exit code in unix

Source: journaldev.com

How to run shell command in python

import subprocess

process = subprocess.Popen(['echo', 'hi'],
                           stdout=subprocess.PIPE,
                           stderr=subprocess.PIPE)
out, err = process.communicate()
print(out) # hi
print(err) # None

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