i need to get loop for data email line by line

i need to get loop for data email line by line and at change admin@email.com to list email like emails.txt and looping for email by email with python selenium

# -*- coding: utf-8 -*-
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import Select
from selenium.common.exceptions import NoSuchElementException
from selenium.common.exceptions import NoAlertPresentException
import unittest, time, re

class UntitledTestCase(unittest.TestCase):
    def setUp(self):
        self.driver = webdriver.Firefox()
        self.driver.implicitly_wait(30)
        self.base_url = "https://www.katalon.com/"
        self.verificationErrors = []
        self.accept_next_alert = True

    def test_untitled_test_case(self):
        driver = self.driver
        driver.get("https://gamestnem.blogspot.com/")
        # ERROR: Caught exception [ERROR: Unsupported command [selectFrame | index=2 | ]]
        driver.find_element_by_xpath("//button").click()
        # ERROR: Caught exception [ERROR: Unsupported command [selectWindow | win_ser_1 | ]]
        driver.find_element_by_id("checkout_email_or_phone").clear()
        driver.find_element_by_id("checkout_email_or_phone").send_keys("admin@email.com")
        driver.find_element_by_name("checkout[shipping_address][first_name]").clear()
        driver.find_element_by_name("checkout[shipping_address][first_name]").send_keys("oijvf")
        driver.find_element_by_name("checkout[shipping_address][last_name]").clear()
        driver.find_element_by_name("checkout[shipping_address][last_name]").send_keys("fv")
        driver.find_element_by_name("checkout[shipping_address][company]").clear()
        driver.find_element_by_name("checkout[shipping_address][company]").send_keys("vf")
        driver.find_element_by_name("checkout[shipping_address][address1]").clear()
        driver.find_element_by_name("checkout[shipping_address][address1]").send_keys("QT pdfiurtoum")
        driver.find_element_by_name("checkout[shipping_address][city]").clear()
        driver.find_element_by_name("checkout[shipping_address][city]").send_keys("vf")
        driver.find_element_by_name("checkout[shipping_address][country]").clear()
        driver.find_element_by_name("checkout[shipping_address][country]").send_keys("fd")
        driver.find_element_by_name("checkout[shipping_address][province]").clear()
        driver.find_element_by_name("checkout[shipping_address][province]").send_keys("Oriental")
        driver.find_element_by_name("checkout[shipping_address][zip]").clear()
        driver.find_element_by_name("checkout[shipping_address][zip]").send_keys("2900")
        driver.find_element_by_name("checkout[shipping_address][phone]").clear()
        driver.find_element_by_name("checkout[shipping_address][phone]").send_keys("043834")
        driver.find_element_by_id("continue_button").click()
        driver.find_element_by_id("continue_button").click()
        driver.find_element_by_id("continue_button").click()
        driver.close()

    def is_element_present(self, how, what):
        try: self.driver.find_element(by=how, value=what)
        except NoSuchElementException as e: return False
        return True

    def is_alert_present(self):
        try: self.driver.switch_to_alert()
        except NoAlertPresentException as e: return False
        return True

    def close_alert_and_get_its_text(self):
        try:
            alert = self.driver.switch_to_alert()
            alert_text = alert.text
            if self.accept_next_alert:
                alert.accept()
            else:
                alert.dismiss()
            return alert_text
        finally: self.accept_next_alert = True

    def tearDown(self):
        self.driver.quit()
        self.assertEqual([], self.verificationErrors)

if __name__ == "__main__":
    unittest.main()

i need to get loop for data email line by line and at change admin@email.com to list email like emails.txt and looping for email by email with python selenium