CHALLENGE ACTIVITY 5.4.1: Loops with variables that count.   Use Python, please.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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CHALLENGE ACTIVITY
5.4.1: Loops with variables that count.
 
Use Python, please.
**Challenge Activity: Loops with Variables that Count**

**Objective:** Understanding how loops work with variable incrementation.

**Exercise Title:** 5.4.1: Loops with Variables that Count

**Activity ID:** 344614.2153518.qx3zqy7

### Instructions:
You are provided with a code snippet that uses a loop to produce an output based on two input values. Your task is to determine what this code outputs when specific inputs are provided.

### Code Snippet:
```python
target = int(input())
n = int(input())
while n <= target:
    print(n * 2)
    n += 1
```

### Task:
- **Input** two numbers:
  - First number: `5`
  - Second number: `3`
- **Output** the result of running this code with the above inputs.

### Explanation of Code:
1. The program reads two integer inputs: `target` and `n`.
2. It initializes a `while` loop that continues as long as `n` is less than or equal to `target`.
3. Inside the loop:
   - It prints double the current value of `n`.
   - It increments `n` by 1 with each iteration.

### Visualization:
- **Bar Diagram:**
  - The bar has four sections, each representing potential stages or cycles of the loop.
  - The highlighted sections indicate the parts of the code that have been effectively understood or completed.

### Interaction:
- **Checkboxes:** Allow the user to select the parts of the task they have addressed.
- **Button Options:**
  - "Check": Validate your answer.
  - "Next": Proceed to the subsequent task or section.

### Notes:
- Ensure that the output printed aligns with the logic of the loop as described.
- The output will consist of numbers generated by multiplying `n` by 2, sequentially from `n = 3` until `n` exceeds `target` = 5.

**Feedback Option:** A link ("Feedback?") is provided for users to give feedback on the activity.

This exercise facilitates comprehension of using loops with conditionals and variable incrementation, ensuring learners grasp coding logic in iterative processes.
Transcribed Image Text:**Challenge Activity: Loops with Variables that Count** **Objective:** Understanding how loops work with variable incrementation. **Exercise Title:** 5.4.1: Loops with Variables that Count **Activity ID:** 344614.2153518.qx3zqy7 ### Instructions: You are provided with a code snippet that uses a loop to produce an output based on two input values. Your task is to determine what this code outputs when specific inputs are provided. ### Code Snippet: ```python target = int(input()) n = int(input()) while n <= target: print(n * 2) n += 1 ``` ### Task: - **Input** two numbers: - First number: `5` - Second number: `3` - **Output** the result of running this code with the above inputs. ### Explanation of Code: 1. The program reads two integer inputs: `target` and `n`. 2. It initializes a `while` loop that continues as long as `n` is less than or equal to `target`. 3. Inside the loop: - It prints double the current value of `n`. - It increments `n` by 1 with each iteration. ### Visualization: - **Bar Diagram:** - The bar has four sections, each representing potential stages or cycles of the loop. - The highlighted sections indicate the parts of the code that have been effectively understood or completed. ### Interaction: - **Checkboxes:** Allow the user to select the parts of the task they have addressed. - **Button Options:** - "Check": Validate your answer. - "Next": Proceed to the subsequent task or section. ### Notes: - Ensure that the output printed aligns with the logic of the loop as described. - The output will consist of numbers generated by multiplying `n` by 2, sequentially from `n = 3` until `n` exceeds `target` = 5. **Feedback Option:** A link ("Feedback?") is provided for users to give feedback on the activity. This exercise facilitates comprehension of using loops with conditionals and variable incrementation, ensuring learners grasp coding logic in iterative processes.
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