how to get output from python code example

Example 1: python execute shell command and get output

import subprocess
process = subprocess.Popen(['echo', 'More output'],
                     stdout=subprocess.PIPE, 
                     stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
stdout, stderr

Example 2: python get output

>out = subprocess.Popen(['wc', '-l', 'my_text_file.txt'], 
           stdout=subprocess.PIPE, 
           stderr=subprocess.STDOUT)

Example 3: how to return an output to a function in Python

''' if you don't know def can make a function, 
I am making a simple squaring function to explain''' 
# space after parentisis is needed
def square(x) :
  s = x*x
  # do it with the return keyword!
  return s

Example 4: output something in python

print("Hello World!")

>>> Hello World!