Answers for "stop selenium from closing browser"

selenium close browser

driver.close() #It closes the browser window on which the focus is set.

driver.quit() #It basically calls the driver.dispose method which in turn closes all the browser windows and ends the WebDriver session gracefully.

prevent selenium from closing

from selenium.webdriver.chrome.options import Options
chrome_options = Options()
chrome_options.add_experimental_option("detach", True)