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Test the algorithm to see if it works properly.

Make changes if needed to improve it.

Hintbot

Before solving a problem, make sure the input is correct and useful. If the input is wrong or in
the wrong format, the output may also be wrong.
For example, If the program asks for a number and the user types “ten” instead of 10, the
program may not understand and give an error.

To solve a complex problem easily, divide it into smaller parts. Each part is a sub-solution that helps
complete the main task.

Example 1: To create a class presentation, we can divide the tasks into sub-task.
1. Choose a topic

2. Collect information

• From books

• From the internet
• From teacher notes

3. Prepare slides

• Add headings

• Organise content
4. Add images and titles

• Use relevant pictures

• Add clear titles to each slide
5. Practise the presentation

• Read aloud

• Time your presentation
6. Present it in class

• Speak clearly

• Show your slides confidently
Each step plays an important role in completing the full task smoothly and in an organised way.

Example 2: To calculate the area of the circle and display it.
Step 1: Start

Step 2: Input radius.

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