1. Create a google account and create the app key.
   
2. Paste the App key in to user.csv file.
   
3. paste all your contacts to mails.csv file.
   
4. Type your Messsage in to Message1.txt file
   
5. You can have multipale emails messages, file name must be
   Message1.txt
   Message2.txt
   Message3.txt
   Message4.txt
   
   

App pasword Link https://myaccount.google.com/apppasswords

Download Python https://www.python.org/downloads
Download VS Code https://code.visualstudio.com/download

To install requirements libraries in VS code editor copy this code and paste in your Terminal.
pip install -r requirements.txt

For More Details Watch the Youtube Video https://www.youtube.com/watch?v=x8rnQvCoycI