import time
import requests
import threading
from queue import Queue

q = Queue()

def worker():
    while True:
        url = q.get()
        print(url)
        data = url.split("/")
        title = data.pop()
        try:
            r = requests.get(url)
            status = r.status_code == 200
            if status:
                    html = r.text
                    file = open('downloaded' + title, 'w', encoding='utf8')
                    file.write(html)
                    file.close()
        except Exception as e:
            file = open('error.txt', 'a', encoding='utf8')
            file.write(url + "\n")
            file.close
        q.task_done()

for i in range(4):
     t = threading.Thread(target=worker)
     t.daemon = True
     t.start()

for item in open('urls.txt', 'r', encoding='utf8'):
    q.put(item.strip())

q.join()

print("Done all...")