126邮箱登录自动化实例，有两个注意点：1需要定位到iframe框架内，2id为动态需要使用其他方式进行定位1 driver.switch_to.frame(driver.find_element_by_xpath("//iframe[contains(@src, 'passport')]"))切换到iframe框架内，使用Xpath进行定位链接，contains(a, b)为a包含b2drive

报错：selenium.common.exceptions.WebDriverException: Message: Expected browser binary location,but unable to find binary in default location, no 'moz:firefoxOptions.binary' capability provided,and n...