Developing A Bot to Send Multiple Messages to a Single Person

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Pre Developement Phase

So I'll be Taking the Help of my previous Version of the Project where i've Developed this Project with using Functions and the Regular Python3.

The Idea Behind this Project is to Develop a Bot

that will take the Number of the Recipent's WhatsApp and
then validate that Number if that is Real Number or Fake using some API get requests
If the Number is Genuine
It will Proceed by Obtaining the Message from the User
If the Message is not given to the Bot then It will search for a Excel file ( Or CSV ) which will contain multiple Messages
If the Number gets to be Fake then it will prompt to re-enterthe Number else the User can Quit

All of this will be Going through some best UI with Python