Deleting items from a canvas

Besides adding and modifying items on a canvas, it is also possible to delete them via the delete() method of the Canvas class. Although the usage of this method is very straightforward, there are a couple of useful patterns that we will see in the next example.

Keep in mind that the more items displayed on a canvas, the longer it will take to Tkinter to redraw the widget. Therefore, it is convenient to remove unnecessary items if this could cause a performance issue.

Getting ready

For this recipe, we will build an application that randomly displays several circles on a canvas. Each circle removes itself once you click on it, and the window contains one button to clear all the items and another...