start python script with python code example

Example 1: run python file using python code

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

Example 2: 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 3: how to run python program

move to the directory where your program lies 
open cmd 
python first_script.py(your file name)