layout management look feel customization unit structure objectives introduction layout management-designing gui application with proper layout management features look feel customizationenhancing look feel of gui using different appearances of widgets summary questions references objectives at the end of this unitthe student will be able to demonstrate the appearance of label widget illustrate how widgets dynamically expand the gui use the grid layout manager describe about the message boxprogress barcanvas widget etc introduction in this we will explore how to manage widgets within widgets to create our python gui learning the fundamentals of gui layout design will enable us to create great-looking gui' there are certain techniques that will help us in achieving this layout design better the grid layout manager is one of the most important layout tools built in to tkinter that will be used in this in this we also going to learn how to customize some of the widgets in our gui by changing some of their properties