how to python code execute code example

Example 1: run python file using python code

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

Example 2: how to run a code in python

>>> print('Hello World!')

>>> 2 + 5
7
>>> print('Welcome to Real Python!')
Welcome to Real Python!

Example 3: how to execute a python script

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