web scraping - python webscraping with selenium: trouble locating modal element -

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i want go http://ted.com/talks, click "see topics" in "topics" dropdown, , click random letter heading, "c" or "d-e". however, don't know how find element in modal popup specific letter heading.

this letter heading elements when click "inspect element":

<li class="topic-select__range">   <a class = "topic-select__range__link" href="#" data-index="0">a-b</a> </li> <li class="topic-select__range">   <a class = "topic-select__range__link" href="#" data-index="1">c</a> </li> <li class="topic-select__range">   <a class = "topic-select__range__link" href="#" data-index="2">d-e</a> </li>  ... etc.

my program can way see topics fine gets cannot locate element error when try click on letter headers. code snippet looks far:

# each header assigned number. header picked @ random, , clicked.  # [error: cannot locate element.] random_letter = random.randint(0, 8) topics_window = browser.find_element_by_class_name("select-modal__content topic-select") # error here, when program tries find modal popup or tags within letter_headers = topics_window.find_element_by_class_name("topic-select__range__link") letter_headers[random_letter].click()

i couldn't find way access modal javascript content selenium. have instead found way using web api.


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