Graphical User Interfaces are an essential part of modern software applications. They provide a visual way for users to interact with the software, making it more intuitive and user-friendly.

For developing GUI applications in PyQt, using Qt designer is a quick and easy way to design user interfaces without writing a single line of code.

Understanding how to code, even at a basic level, allows professionals to work more efficiently, automate tasks, and make data-driven decisions, regardless of their job title.