Event-driven:

When a GUI (Graphical User Interface) program that is created responds to the action performed by the user, it is called event-driven.

Example:

Consider a program that calculates the sum of two numbers; the user can enter two numbers in the “GUI” designed.

• The user can enter the number that needs to be added.

• The sum will be calculated only when the user clicks on the calculate button...

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Chapter 13.1, Problem 3CP

Chapter 13.2, Problem 5CP

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Chapter 13 Solutions

Starting Out with Python (4th Edition)

Ch. 13.1 - What is a user interface?Ch. 13.1 - How does a command line interface work?Ch. 13.1 - Prob. 3CP Ch. 13.1 - Prob. 4CP Ch. 13.2 - Briefly describe each of the following tkinter...Ch. 13.2 - Prob. 6CP Ch. 13.2 - Prob. 7CP Ch. 13.3 - Prob. 8CP Ch. 13.3 - Prob. 9CP Ch. 13.3 - Prob. 10CP

Ch. 13.7 - Prob. 11CP Ch. 13.7 - Prob. 12CP Ch. 13.7 - Prob. 13CP Ch. 13.7 - Prob. 14CP Ch. 13.8 - You want the user to be able to select only one...Ch. 13.8 - You want the user to be able to select any number...Ch. 13.8 - How can you use an Intvar object to determine...Ch. 13.8 - Prob. 18CP Ch. 13.9 - In the Canvas widgets screen coordinate system,...Ch. 13.9 - Using the Canvas widgets screen coordinate system...Ch. 13.9 - How is the Canvas widget's screen coordinate...Ch. 13.9 - 13.22 What Canvas widget methods would you use to...Ch. 13 - The ________ is the part of a computer with which...Ch. 13 - Before GUIs became popular, the interface was the...Ch. 13 - A ________ is a small window that displays...Ch. 13 - Prob. 4MC Ch. 13 - An item that appears in a programs graphical user...Ch. 13 - You can use this module in Python to create GUI...Ch. 13 - Prob. 7MC Ch. 13 - Prob. 8MC Ch. 13 - This widget is a container that can hold other...Ch. 13 - Prob. 10MC Ch. 13 - A(n) ________ is a function or method that is...Ch. 13 - Prob. 12MC Ch. 13 - You can call this method to close a GUI program....Ch. 13 - You call this method to retrieve data from an...Ch. 13 - Prob. 15MC Ch. 13 - If there are a group of these in a container, only...Ch. 13 - The ________ widget provides methods for drawing...Ch. 13 - Prob. 1TF Ch. 13 - Prob. 2TF Ch. 13 - The data that you retrieve from an Entry widget is...Ch. 13 - Prob. 4TF Ch. 13 - Prob. 5TF Ch. 13 - Prob. 1SA Ch. 13 - Prob. 2SA Ch. 13 - Prob. 3SA Ch. 13 - Prob. 4SA Ch. 13 - Prob. 5SA Ch. 13 - Prob. 6SA Ch. 13 - Prob. 7SA Ch. 13 - How can you use an IntVar object to determine...Ch. 13 - Prob. 9SA Ch. 13 - Prob. 1AW Ch. 13 - Prob. 2AW Ch. 13 - Prob. 3AW Ch. 13 - Prob. 4AW Ch. 13 - Write a statement that creates a Button widget....Ch. 13 - Write a statement that creates a Button widget...Ch. 13 - Assume the variable data_entry references an Entry...Ch. 13 - Prob. 8AW Ch. 13 - Name and Address The Name and Address Problem...Ch. 13 - Latin Translator Look at the following list of...Ch. 13 - Miles Per Gallon Calculator Write a GUI program...Ch. 13 - Celsius to Fahrenheit Write a GUI program that...Ch. 13 - Property Tax A county collects property taxes on...Ch. 13 - Joes Automotive Joes Automotive performs the...Ch. 13 - Long-Distance Calls A long-distance provider...Ch. 13 - This Old House Use the Canvas widget that you...Ch. 13 - Prob. 9PE Ch. 13 - Hollywood Star Make your own star on the Hollywood...Ch. 13 - Prob. 11PE Ch. 13 - Solar System Use a Canvas widget to draw each of...

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Solution Summary: The author explains that an event that takes place in response to the action performed by the user is called event-driven.

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Chapter 13 Solutions