Illustrate try/except/else

click_link.py

def click_link(browser, linktext):
    # We try five times in the case of stale element exceptions
    for i in range(5):
        try:
            browser.find_link_by_text(linktext).first.click()
        except StaleElementReferenceException:
            pass
        else:
            return
    # Try one last time
    browser.find_link_by_text(linktext).first.click()