Learn how to create a functional stopwatch application using Python and PyQt5 in this comprehensive tutorial video. Explore the step-by-step process of building a graphical user interface (GUI) for a stopwatch, including setting up the development environment, importing necessary modules, designing the user interface, and implementing the core functionality. Master key concepts such as class creation, method declarations, UI initialization, stylesheet customization, and connecting signals to slots. Gain hands-on experience in handling time operations, updating the display, and managing start, stop, and reset functions. By the end of this tutorial, you'll have a solid understanding of how to develop a practical PyQt5 application with real-world utility.