how to run .exe into .py code example

Example 1: how to start an exe file in python

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

Example 2: can you release a python program to an exe file

# In the command line, install pyinstaller
python -m pip install pyinstaller

# You might need to add pyinstaller to path. You can do that
# by adding the "scripts" folder in your python installation to path
pyinstaller yourprogram.py