how to run python from python code example

Example 1: run py file in another py file

os.system('python my_file.py')

Example 2: run python file using python code

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

Example 3: how to run a python script

# Save the script in a file with .py extension
# run the script using the below command
python fileName.py

Example 4: how to execute a python script

C:\Python27\python.exe C:\Users\Username\Desktop\my_python_script.py