代理速度问题

import time
import requests
url = 'https://ip.decodo.com/ip'
username = 'user'
password = 'pass'
proxy = f'http://{username}:{password}@us.decodo.com:10000'
average = 0
lowest = 50
highest = 0
success = 0
for i in range(500):
    start = time.time()
    response = requests.get(url, proxies={'http': proxy, 'https': proxy})
    end = time.time()
    total = (end - start)
    print(total)
    average += total
    if total < lowest: lowest = total
    if total > highest: highest = total
    if response.status_code == 200: success += 1
    else: print(response.status_code)
    if i == 499:
        print("average: " + str(average / 500))
        print("lowest: " + str(lowest))
        print("highest: " + str(highest))
        print("success: " + str(success))