how to run a exe file python code example

Example 1: python to exe

pip install pyinstaller

cd FullPathOfFile in cmd console
pyinstaller --onefile pythonScriptName.py
# a .exe file is created in the FullPathOfFile\dist

Example 2: how to start an exe file in python

import sys, string, os, arcgisscripting
os.system("C:/Documents and Settings/flow_model/flow.exe")