How to find href link from multiple browser tabs - selenium

Question

I wrote this code to fetch the href link of images in webpage. However i found this way to do this, But Unable to find link in loop. I want that when new tab open href link of that tabs get print in shell. And the urls link are multiple.
from selenium import webdriver
from selenium.webdriver.common.by import By
import time
import urllib
import urllib.request
import time
import os
#driver = webdriver.Chrome(executable_path=r"C:\Users\umesh.kumar\Downloads\Codes\chromedriver.exe")
username = "ABCD.kumar"
password = "X0XX"
driver = webdriver.Chrome()
driver.get("http://propadmin.99acres.com/propadmin/index.htm")
urls = ["https://propadmin.99acres.com/do/seller/ProcessSellerForms/getDeletedPhotos?prop_id=A18056415", "https://propadmin.xxxxxxx.com/do/seller/ProcessSellerForms/getDeletedPhotos?prop_id=A56063622"]
driver.maximize_window()
driver.find_element(By.ID, "username").send_keys(username)
driver.find_element(By.ID, "password").send_keys(password)
driver.find_element_by_name("login").click()
for posts in range(len(urls)):
print(posts)
driver.get(urls[posts])
if(posts!=len(urls)-1):
driver.execute_script("window.open('');")
chwd = driver.window_handles
driver.switch_to.window(chwd[-1])
elems = driver.find_elements_by_tag_name('a')
for elem in elems:
href = elem.get_attribute('href')
if href is not None:
print(href)