Answers for "how to call command in python"

python bash command

import os
os.system('clear')

python run a system command

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

python run command

import os
os.system('cmd /k "Your Command Prompt Command"')

python run shell command

# First, install python or python3...
sudo apt-get install python 
#or 
sudo apt-get install python3

# Then, run your python file...
python /path-to-file/pyfile.py #or
python3 /path-to-file/pyfile.py
#Example
python /home/person/randomfile.py #or
python3 /home/person/randomfile.py

# Hope this helped :)