Parse value in python

Попробуй css селектором получить див и из него вытащить data-sitekey

 

#pip install bs4
#pip install lxml

import requests
from bs4 import BeautifulSoup

url = 'http://google.com/recaptcha/api2/demo'

too = requests.get(url).text
main_text = BeautifulSoup(too,'lxml')
data = main_text.find('div',class_='g-recaptcha')['data-sitekey']

print(data) #вывод

Python

#pip install bs4

#pip install lxml



import requests

from bs4 import BeautifulSoup



url = 'http://google.com/recaptcha/api2/demo'



too = requests.get(url).text

main_text = BeautifulSoup(too,'lxml')

data = main_text.find('div',class_='g-recaptcha')['data-sitekey']



print(data) #вывод