I need help in this

Question

Design and implement a user interface using Python and Tkinter module

A.t least two text fields
b. A button to add the values entered in the above two text fields to File. Duplicate items should not be added. If so deny the operation by prompting with a message. Make use of Regular Expression in any one of the fields while adding.

Answer 1

When you have a code that doesn't work, save it in the code playground and attach it here.
Someone could help.

Answer 2

What lesson did that question come from?

Answer 3

Besides attaching your code ("+" button, "Code", then your code), explain your difficulties