Update README.md

Author: Alok-2002

STUDENT REGISTRATION SYSTEM/README.md

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 The Student Management System (SMS) is a GUI application created with Python and tkinter. It is designed to manage student data for a school or university. This version of the system utilizes a MySQL database to store and retrieve student information, such as names, addresses, contact information, and academic records.
 
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 ## Features
 
 - Add new students to the system