[Python] How to check if link still the same?

I want to check if this link still valid or nothttps://www.udemy.com/course/artificial-intelligence-in-digital-marketing/?couponCode=DIGITALMARKETING, as once this coupon expires it would turn me to the original course page https://www.udemy.com/course/artificial-intelligence-in-digital-marketing/, I have used selenium to do this, but it's kinda slow and Udemy block me after two pages.

from selenium import webdriver
from selenium.webdriver.chrome.options import Options
import time
i= "https://www.udemy.com/course/artificial-intelligence-in-digital-marketing/?couponCode=DIGITALMARKETING"
driver = webdriver.Chrome()
driver.get(i)
time.sleep(1)
currentUrl= driver.current_url
if i== currentUrl:
print("true")


Does anyone have an idea for a fester way to do that? I have tried using urllib3 and requests, but neither of them worked. I tried to parse it with Beautiful Soup also hoping to find something in the code but I couldn't find any because the web site is dynamic.

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