Python uses Firefox to crawl content

Python uses Firefox to grab

from selenium import webdriver
from selenium.webdriver.firefox.firefox_binary import FirefoxBinary
caps=webdriver.DesiredCapabilities().FIREFOX
caps['marionette']=False
binary=FirefoxBinary(r"C:\Program Files (x86)\Mozilla Firefox\firefox.exe")

driver=webdriver.Firefox(firefox_binary=binary,capabilities=caps)
driver.get("https://zhidao.baidu.com/question/6169893.html")
comment=driver.find_element_by_class_name("ask-title ")
#content=comment.find_element_by_tag_name('p')
print(comment.text) 

#Requires Firefox 23.0