How to prevent a new browser from opening in Selenium Python?

Question

Python

How to make the proxy change every time but the new browser does not open?

from selenium.webdriver.common.proxy import Proxy,ProxyType
from selenium import webdriver



prox = Proxy()
prox.proxy_type = ProxyType.MANUAL
prox.ssl_proxy = str()
prox.http_proxy = str()
capa = webdriver.DesiredCapabilities.OPERA

driver = webdriver.Opera(desired_capabilities=capa)
proxy = open('готовые работать прокси.txt','r')
aa = proxy.read().split('\n')
for i in aa:
    
    driver.get('https://www.showmyip.com')