[Python] How to attach a ppt file to email with python

I have a code to automate email. Please help how to attach powerpoint files to the messages. This is my code. It does not attach the ppt to the email. Thank you all.

import smtplib, ssl
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.application import MIMEApplication

sender_email = "myemail@gmail.com"
receiver_email = "to@gmail.com"
password = input("Type your password and press enter:")

message = MIMEMultipart("alternative")
message["Subject"] = "subject"
message["From"] = sender_email
message["To"] = receiver_email


html = """\
<html>
<body>
<p>
email text
</font></p>
</body>
</html>
"""

text_part = MIMEText(html, "html")
pitch_deck = r"path to ppt"


with open(pitch_deck, "rb") as ppt:
message.attach(MIMEApplication(ppt.read(), Name="file_name"))
message.attach(text_part)


context = ssl.create_default_context()
with smtplib.SMTP_SSL("smtp.gmail.com", 465, context=context) as server:
server.login(sender_email, password)
server.sendmail(
sender_email, receiver_email, message.as_string()
)

Continue reading...