[Python] after window close program.exe file still running in background

I have a script that runs a program.exe in the background. How to close a program from the background in task manager after closing the command window script

script

command = [
"program.exe",
"-i",
"-o",
]


process = subprocess.Popen(
command,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
bufsize=1,
universal_newlines=True,
)
stdout, stderr = process.communicate()

print(command)

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