how to login into to a multiple website url using selenium python

1. read the URL list and enter the ID/Password.
   
2. By URL, input form has different xpaths.
   
3. read url and check xpath to input id/pw,

but the error occurred.
I also want to know what optimization is.

'''

def csv_reader(url_obj):
        reader = csv.DictReader(url_obj, delimiter=',')
        for line in reader:
            print(line["SN"],line["Title"],line["URL"]),
            URL = line["URL"]
            site = line["Title"]
            browser = webdriver.Chrome(ChromeDriverManager().install(), options=chrome_options)
            browser.get(URL)
            time.sleep(3)
            # First url input part
            if browser.find_element_by_xpath("""//*[@id="id"]"""):
                browser.find_element_by_xpath("""//*[@id="id"]""").send_keys("test")
                time.sleep(3)
            # Seconds url input part
            elif browser.find_element_by_xpath("""//*[@id="uid"]"""):
                 browser.find_element_by_xpath("""//*[@id="uid"]""").send_keys("test")
                 time.sleep(3)
            else :
                pass

My results are as follows.

Traceback (most recent call last):
  File "C:\source\se.py", line 63, in 
    csv_reader(url_obj)
  File "C:\source\se.py", line 31, in csv_reader
    if browser.find_element_by_xpath("""//*[@id="id"]"""):
  File "C:\Users\m4gic\AppData\Local\Programs\Python\Python39\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 394, in find_element_by_xpath
    return self.find_element(by=By.XPATH, value=xpath)
  File "C:\Users\m4gic\AppData\Local\Programs\Python\Python39\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 976, in find_element
    return self.execute(Command.FIND_ELEMENT, {
  File "C:\Users\m4gic\AppData\Local\Programs\Python\Python39\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 321, in execute
    self.error_handler.check_response(response)
  File "C:\Users\m4gic\AppData\Local\Programs\Python\Python39\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 242, in check_response
    raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.NoSuchElementException: Message: no such element: Unable to locate element: {"method":"xpath","selector":"//*[@id="id"]"}
  (Session info: chrome=91.0.4472.124)