Added Error Handling: Implemented a try-except block to gracefully handle non-integer input for the password length. This prevents the program from crashing if the user enters letters or symbols.

Input Validation: Added a check to ensure the password length is a positive number. If the user enters a non-positive number, a descriptive error message is shown.

Code Cleanup: Removed the unused pyperclip import and the extraneous print(a) statement at the end of the file. The tkinter imports were also changed to a more standard import tkinter as tk style.

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