Emailing Python + for_cycle (v.1.01)

import smtplib
from smtplib import SMTP_SSL
import email
from email.mime.multipart import MIMEMultipart
from email.mime.base import MIMEBase
from email.mime.text import MIMEText
from email import encoders
import os


def sendFileByFile(filename):

#список файлов для отправки
    files = ['C://Users/олег/Downloads/f4add3da6a17e50f571809897502e76e.jpg',
             'C://Users/олег/Downloads/stefania-9.jpg',
             'C://Users/олег/Downloads/stefania-ferrario-766802.jpg'
    ]

    for i, filename in enumerate(files):
        print(i, filename)
        path = filename

        if not os.path.isfile(path):
            print("Неверный путь к файлу")
            continue
        else:
            filename = os.path.basename(path)

        basename = os.path.basename(files[i])
    #Receiver email
        receiver_address = 'x'

        sender_address = 'z'

    #Compose attachment
        part = MIMEBase('application', "octet-stream")
        part.set_payload(open(files[i], "rb").read())
        encoders.encode_base64(part)
        part.add_header('Content-Disposition', 'attachment; filename = "%s"' % basename)

    #Compose message
        msg = MIMEMultipart()
    #Header \\ заголовок письма
        msg['Subject'] = '666'
        msg['From'] = sender_address
        msg['To'] = receiver_address
        msg.attach(part)

    #Send mail
        smtp = smtplib.SMTP('smtp.mail.ru', 25)
        smtp.ehlo()
        smtp.starttls()

        smtp.login(sender_address, 'sender_email_password')
        smtp.sendmail(sender_address, receiver_address, msg.as_string())
        print('File %s is sent to %s' % (filename, receiver_address))

    print('Executed')
    smtp.quit()



sendFileByFile('C://Users/олег/Downloads/2fa813ee34de1793bec65216cb4e3ce3.jpg')