how to run python script in shell script code example

Example 1: run python file using python code

exec(open('file.py').read())

Example 2: How to run bash script in python

import subprocess
print "start"
subprocess.call("sleep.sh")
print "end"

Example 3: how to execute bash commands in python script

import subprocess
subprocess.call(["sudo", "apt", "update"])

Example 4: how to run python in terminal

#For Python 3:
$ python3 helloworld.py
#For Python 2:
$ python helloworld.py