start a python script code example

Example 1: 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 2: how to run python program

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

Example 3: how to execute a python script

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