Python Tkinter Entry Widget [Passwort - validation] english #5
Python (Tkinter) GUI Programming:
In this lesson we will create a small program that prompts the user for a password. The password must meet some requirements. It must contain upper and lower case letters, at least one number and a special character. Furthermore it must contain at least 8 characters and of course it must not be empty.
We will program object-oriented (short: OOP) and get familiar with the concept of object-oriented programming style step by step.