Think Python - Denison University

19.6. Packing widgets 185>>> text.insert(1.1, 'nother')The get method reads the text in the widget; it takes a start and end index as arguments. Thefollowing example returns all thetext inthewidget, including thenewline character:>>> text.get(0.0, END)'Another line of text.\n'The delete method removes text from the widget; the following example deletes all but the firsttwocharacters:>>> text.delete(1.2, END)>>> text.get(0.0, END)'An\n'Exercise 19.3 Modify your solution to Exercise 19.2 by adding an Entry widget and a second button.When the user presses the second button, it should read a color name from the Entry and use itto change the fill color of the circle. Use config to modify the existing circle; don’t create a newone.Your program should handle the case where the user tries to change the color of a circle that hasn’tbeen created, and the casewhere the color name isinvalid.You can see mysolutionatthinkpython.com/code/circle_demo.py.19.6 PackingwidgetsSo far we have been stacking widgets in a single column, but in most GUIs the layout is morecomplicated. For example, hereisaslightlysimplified version of TurtleWorld (seeChapter 4).