Computer Networking: A Top-Down Approach (7th Edition)
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ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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The instructions is on the right side.
![### Programming Exercise: Drawing Nested Squares
#### Objective:
Write a program that generates nested squares using the provided code template.
#### Instructions:
You should see the following code in your programming environment:
```python
import simplegui
def draw_handler(canvas):
# your code goes here
frame = simplegui.create_frame('Testing', 600, 600)
frame.set_canvas_background("Black")
frame.set_draw_handler(draw_handler)
frame.start()
```
#### Task:
Using the code above, write a program that, when run, generates nested squares, similar to those below:
![Nested Squares Diagram]
Your image should be slightly different from the one above (for example, the color of the lines, the spacing between squares, or the shapes could be different).
#### Explanation:
- **simplegui**: A Python library used for creating graphical user interfaces.
- **draw_handler(canvas)**: A function that will handle the drawing on the canvas. You need to complete this function to draw the nested squares.
- **simplegui.create_frame**: Creates a frame window with the given title ("Testing"), width (600), and height (600).
- **frame.set_canvas_background("Black")**: Sets the background color of the canvas to black.
- **frame.set_draw_handler(draw_handler)**: Sets the specified function (`draw_handler`) to handle the drawing on the canvas.
- **frame.start()**: Starts the frame, initiating the program.
Your task is to modify the `draw_handler` function to draw nested squares on the canvas.
### Example Diagram:
Below is an illustration of nested squares. You should aim to create something similar, but feel free to introduce variations in colors, spacing, or shapes.
![Example of Nested Squares]](https://content.bartleby.com/qna-images/question/df0f75cd-4d9e-412e-801a-11cac152ba5a/a0c65824-9c81-42d4-8e42-af6a0451270c/tgjxzue_processed.jpeg)
Transcribed Image Text:### Programming Exercise: Drawing Nested Squares
#### Objective:
Write a program that generates nested squares using the provided code template.
#### Instructions:
You should see the following code in your programming environment:
```python
import simplegui
def draw_handler(canvas):
# your code goes here
frame = simplegui.create_frame('Testing', 600, 600)
frame.set_canvas_background("Black")
frame.set_draw_handler(draw_handler)
frame.start()
```
#### Task:
Using the code above, write a program that, when run, generates nested squares, similar to those below:
![Nested Squares Diagram]
Your image should be slightly different from the one above (for example, the color of the lines, the spacing between squares, or the shapes could be different).
#### Explanation:
- **simplegui**: A Python library used for creating graphical user interfaces.
- **draw_handler(canvas)**: A function that will handle the drawing on the canvas. You need to complete this function to draw the nested squares.
- **simplegui.create_frame**: Creates a frame window with the given title ("Testing"), width (600), and height (600).
- **frame.set_canvas_background("Black")**: Sets the background color of the canvas to black.
- **frame.set_draw_handler(draw_handler)**: Sets the specified function (`draw_handler`) to handle the drawing on the canvas.
- **frame.start()**: Starts the frame, initiating the program.
Your task is to modify the `draw_handler` function to draw nested squares on the canvas.
### Example Diagram:
Below is an illustration of nested squares. You should aim to create something similar, but feel free to introduce variations in colors, spacing, or shapes.
![Example of Nested Squares]
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