Python Programming: An Introduction to Computer Science, 3rd Ed.
Python Programming: An Introduction to Computer Science, 3rd Ed.
3rd Edition
ISBN: 9781590282755
Author: John Zelle
Publisher: Franklin, Beedle & Associates
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Chapter 10, Problem 2PE
Program Plan Intro

Build GUI using Button class

Program Plan:

  • Import the required packages.
  • Declare a main function. Inside the main function,
    • Create the application window.
    • Create a button for Random Walk and Quit.
    • Call the method “activate()”.
    • Call the method “deactivate()”
    • Call the method “getMouse()” and store the value in variable “pt”.
    • Set the point using the method “Point()”.
    • Check whether the quit button is not clicked.
      • Call the method “deactivate()”.
      • Pass the parameters to the method “randWalk()”.
      • Call the method “activate()”, “deactivate()” and “getMouse()”.
      • Check the condition and call the method “getMouse()” and store the value in the variable “pt”.
      • Set the points using the method “Point()”.
      • Close the window.
    • Definition of method “randWalk()”.
      • Assign “point” to “loc2”.
      • Traverse the for loop until “i” reaches range “100”.
      • Get the position of “x” and “y”.
      • Call the method “Line()” by passing two parameter.
      • Call the method draw.
      • Assign “loc2” to “loc1”.
    • Definition of method “simOneStep()”.
    • Call the method random to determine he angle.
    • Determine the value of “x” and “y”.
    • Return the value of the point.
  • Call the main function.

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