如何使用python selenium webdriver单击框架中的按钮

我想点击阴影按钮，但它在框架内，似乎在另一个框架内。我怎么做

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进入嵌套的iFrame，然后单击带有文本Continuar的按钮

wait = WebDriverWait(driver, 10)
wait.until(ec.frame_to_be_available_and_switch_to_it((By.XPATH,"//frame[@name='reloj']" )))
wait.until(ec.frame_to_be_available_and_switch_to_it((By.XPATH,"//frame[@name='transicion']")))
wait.until(ec.frame_to_be_available_and_switch_to_it((By.XPATH,"//button[text()='Continuar']"))).click()

进口

from selenium.webdriver.support import expected_conditions as ec
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.by import By

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到目前为止你试过什么？