os.startfile(f"profile{i}.lnk")os.system("taskkill /im firefox.exe")os.system("taskkill /im firefox.exe")
import subprocess as sp
sp.Popen('taskkill /im firefox.exe /f')import psutil #pip isntall psutil
for proc in psutil.process_iter():
    if proc.name() == 'firefox.exe':
        proc.terminate()