PomodoroTimer pure-logic class — session sequencing and checkmark computation live in a class with no tkinter dependency, making the logic independently testable. Display class with injected callbacks ...

# This script creates a simple GUI countdown timer using Tkinter. # Users can enter a time in seconds and start the countdown. # Initialize the CountdownTimer application. # Sets up the GUI elements ...

When you want to track your focus time using the Pomodoro Technique or measure short breaks, you often find yourself wanting a handy timer. With Python, you can easily create your own simple ...