python subprocess.check_output code example

Example 1: subprocess.check_output python

import subprocess
py2output = subprocess.check_output(['python', 'py2.py', '-i', 'test.txt'])
print('py2 said:', py2output)

Example 2: python format subprocess output

import subprocess

output = subprocess.check_output("cat /etc/os-release", shell=True)
output = output.decode("utf-8")
print("Version info: ",output)