Module2.py

import email, smtplib, ssl
from email import encoders
from email.mime.base import MIMEBase
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText

#The mail addresses and password
sender_email = 'sender123@gmail.com'
password = 'xxxxxxxx'
receiver_address = 'receiver567@gmail.com'
body="This is test email"

message = MIMEMultipart()
message["From"] = "sender123@gmail.com"
message["To"] = "reciver123@gmail.com"
message["Subject"] = "Test Mail"
message["Bcc"] = "reciver123@gmail.com" 
message.attach(MIMEText(body, "plain"))

filename = "excel.xlsx" 
with open(filename, "rb") as attachment:
  part = MIMEBase("application", "octet-stream")
  part.set_payload(attachment.read())
encoders.encode_base64(part)