# ########### requests example ########### #
import requests

pr = 'http://ehstnxnc-dest:[email protected]:80'
proxies = {
    "http": pr,
    "https": pr
}
url = 'http://www.google.com'

resp = requests.get(url=url, proxies=proxies)
resp.ok

True   # output






# ########### telethon example ########### #
from telethon import TelegramClient
import socks

name = ...
api_id = ...
api_hash = ...
proxy = (socks.HTTP, '45.72.30.159', 80, '8.8.8.8', 'ehstnxnc-dest', '4vefvq6n0s7w')

c = TelegramClient(name, api_id, api_hash, proxy=proxy)
c.loop.run_until_complete(c.connect())

# ## Output ## #
2020-08-23 02:25:39,565 Connecting to 149.154.167.51:443/TcpFull...
2020-08-23 02:25:40,493 Attempt 1 at connecting failed: GeneralProxyError: Socket error: 407: Proxy Authentication Required
2020-08-23 02:25:40,493 Attempt 2 at connecting failed: GeneralProxyError: Socket error: 407: Proxy Authentication Required


# ### Trying without rdns ### #
proxy = (socks.HTTP, '45.72.30.159', 80, 'ehstnxnc-dest', '4vefvq6n0s7w')

c = TelegramClient(name, api_id, api_hash, proxy=proxy)
c.loop.run_until_complete(c.connect())

# ## Output ## #
2020-08-23 02:27:35,261 Attempt 3 at connecting failed: GeneralProxyError: Socket error: 407: Proxy Authentication Required
2020-08-23 02:27:36,538 Attempt 4 at connecting failed: GeneralProxyError: Socket error: 407: Proxy Authentication Required
2020-08-23 02:27:37,816 Attempt 5 at connecting failed: GeneralProxyError: Socket error: 407: Proxy Authentication Required