Auto-list NFTs on OpenSea with Browser Automation

list.py

# First install Chrome, and the Selenium driver
# Next, download and save the MetaMask CRX (there are plenty of guides on how to do this)

from selenium import webdriver
from webdriver_manager.chrome import ChromeDriverManager
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
import time

# The first time you do this, you'll need to connect your metamask wallet
# Leave the browser open with only one tab
op = Options()
op.add_extension('metamask.crx') # <-- route to the CRX file
chrome = webdriver.Chrome(ChromeDriverManager().install(), options=op)

chain = 'matic' # Change for other chains, but if you're using other chains just use the API instead
collection_address = '0x000' # Pull this from the URL of your collection
price = '0.0069' # must be a string

def list(i):
        # Main window
        chrome.switch_to.window(chrome.window_handles[0])
        # Go to sale page
        chrome.get('https://opensea.io/assets/{}/{}/{}/sell'.format(chain, collection_address, i))
        # Check that it isn't already for sale - nevermind it just lists it again
        
        # Set price
        for i in range(50): # See if it's there
            try: 
                chrome.find_element(By.XPATH, '//input[@name="price"]')
                break
            except:
                time.sleep(0.5)
                
        chrome.find_element(By.XPATH, '//input[@name="price"]').send_keys(price + Keys.RETURN)
        
        # Click sign
        for i in range(50):
            try: 
                chrome.find_element(By.XPATH, '//button[text()="Sign"]')
                break
            except:
                time.sleep(0.5)
                
        chrome.find_element(By.XPATH, '//button[text()="Sign"]').click()
        
        # Switch to new window
        time.sleep(1)
        chrome.switch_to.window(chrome.window_handles[1])
        
        # Click sign
        for i in range(50):
            try: 
                chrome.find_element(By.XPATH, '//button[text()="Sign"]')
                break
            except:
                time.sleep(0.5)
        
        chrome.find_element(By.XPATH, '//button[text()="Sign"]').click()
        
start = int(input("Start index (included): "))
end = int(input("End index (included): "))

for i in range(start, end+1):
    list(i)
    
print("Ended listing")

And how to set the date and time of the start of sales?