Update README.md

Author: P-CAST

README.md

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-# passwordmanager-sql-python
+This is a passwordmanager program with password encryption and security 
+interface is easy to understand and has a clear instruction in every progress throughout the program .
+
+To start you need to install xampp and start apache and mysql service,then create a database(name: db_password) also table(name: tb_nap) and you're ready to go.
+
+If you want to insert new row use i/I command.
+If you want to view your exist data use v/V command.
+If you want to delete unwanted data use d/D command.
+
+Thankyou for using my program.
+Enjoy!