Selenium WebDriver how to close browser popup

Question

I am writing tests for a web App using selenium webDriver and came across a scenario where when I try to close the browser I get a popup saying \"Are you sure? The page is a

Answer 1

def close_all_popups(driver):
    driver.window_handles
    for h in driver.window_handles[1:]:
        driver.switch_to_window(h)
        driver.close()
    driver.switch_to_window(driver.window_handles[0])