subprocess

The subprocess module allows you to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. This module intends to replace several older modules and functions:

os.system

os.spawn*

code:python

code:python

stdin=subprocess.PIPE,

stdout=subprocess.PIPE,

stderr=subprocess.PIPE,

shell=False)

print 'return: %d' % (p.wait(), )

print 'stdout: %s' % (p.stdout.readlines(), )

print 'stderr: %s' % (p.stderr.readlines(), )

python - subprocess wildcard usage - Stack Overflow

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check output

code:pyhon

import subprocess

print('You are using Node ' + o)