# New Exam Created: Python Easy 15 Questions

## Summary

✅ **User data cleared successfully**
- Removed all data from `data/attempts/`
- Removed all data from `data/output/`
- Removed all data from `data/progress/`
- Reset manifest users to empty object

✅ **New exam created: `python-easy-15q-v1`**

## Exam Details

- **Exam ID:** `python-easy-15q-v1`
- **Title:** Python Fundamentals - Easy Level (15 Questions)
- **Subject:** Python
- **Difficulty:** Beginner (Easy)
- **Duration:** 30 minutes
- **Passing Score:** 70%
- **Total Points:** 95 points
- **Total Questions:** 15

## Question Type Breakdown

| Type | Count | Total Points |
|------|-------|--------------|
| single_choice | 6 | 30 points (5 each) |
| true_false | 5 | 25 points (5 each) |
| multiple_choices | 4 | 40 points (10 each) |

## Question List

### Section 1: Python Basics (5 questions)

1. **[Single Choice, 5 pts]** What is the correct way to create a variable in Python?
   - Answer: B (x = 5)

2. **[True/False, 5 pts]** Python is a case-sensitive language.
   - Answer: True

3. **[Multiple Choices, 10 pts]** Which of the following are valid Python data types?
   - Answers: A (int), C (float), D (bool)
   - Partial credit enabled

4. **[Single Choice, 5 pts]** Which keyword is used to define a function in Python?
   - Answer: B (def)

5. **[True/False, 5 pts]** In Python, indentation is used to define code blocks.
   - Answer: True

### Section 2: Data Structures (5 questions)

6. **[Multiple Choices, 10 pts]** Which of the following are mutable data structures in Python?
   - Answers: A (list), C (dict), D (set)
   - Partial credit enabled

7. **[Single Choice, 5 pts]** How do you create an empty list in Python?
   - Answer: B (list = [])

8. **[True/False, 5 pts]** A tuple in Python can be modified after creation.
   - Answer: False

9. **[Single Choice, 5 pts]** What is the output of: print(type([1, 2, 3]))
   - Answer: B (<class 'list'>)

10. **[Multiple Choices, 10 pts]** Which methods can be used to add elements to a list?
    - Answers: A (append()), C (insert()), D (extend())
    - Partial credit enabled

### Section 3: Control Flow (5 questions)

11. **[True/False, 5 pts]** The 'elif' keyword in Python is used for else-if conditions.
    - Answer: True

12. **[Single Choice, 5 pts]** Which loop is used to iterate over a sequence in Python?
    - Answer: B (for)

13. **[Multiple Choices, 10 pts]** Which statements are valid loop control keywords in Python?
    - Answers: A (break), B (continue), C (pass)
    - Partial credit enabled

14. **[True/False, 5 pts]** Python supports switch-case statements like C or Java.
    - Answer: False

15. **[Single Choice, 5 pts]** What does the 'range(5)' function return?
    - Answer: B (A range object representing 0 to 4)

## Features Enabled

✅ **"I Don't Know" Option**
- All questions have `allowIDK: true`
- Students can select "I don't know" to avoid guessing
- IDK responses score 0 points (no penalty for honesty)

✅ **Multiple Choices with Partial Credit**
- All multiple_choices questions have `partialCredit: true`
- Scoring formula: `(correct_selected - wrong_selected) / total_correct × points`
- Minimum score is 0 (no negative points)

✅ **Automatic Scoring**
- Exam contains only auto-gradable question types
- Score is calculated immediately upon submission
- No manual grading required

## File Location

```
/Volumes/data/tutor_system/exam_system/data/input/python/2025-10/python-easy-15q-v1.json
```

## Manifest Update

The exam has been added to `data/manifest.json` and published:

```json
{
  "examId": "python-easy-15q-v1",
  "subject": "python",
  "month": "2025-10",
  "path": "python/2025-10/python-easy-15q-v1.json",
  "published": true,
  "version": "1.0.0"
}
```

## Next Steps

### To Deploy (when Docker Hub connectivity is stable):

```bash
cd /Volumes/data/tutor_system/exam_system
docker-compose down
docker-compose up --build -d
```

### To Test:

1. Open http://localhost:4200
2. Register/Login as a user
3. You should see the new exam: "Python Fundamentals - Easy Level (15 Questions)"
4. Start the exam and test:
   - Single choice questions with IDK option
   - Multiple choices with checkboxes and IDK option
   - True/False with IDK option
   - Selecting IDK in multiple_choices clears all other selections
5. Submit and verify:
   - Automatic scoring works
   - Partial credit is awarded correctly
   - Result page shows all options with color coding
   - IDK selections show yellow notice

## Known Issue

⚠️ **Docker Hub connectivity is currently unstable**
- Connection resets when pulling node:18-alpine and nginx:alpine images
- This is a temporary network issue
- The exam server (Python) container builds successfully
- Retry the docker-compose command when network is stable

## Previous Exams Still Available

The following exams remain published in the system:
- `python-easy-v1` (original easy exam)
- `python-intermediate-v1` (50 questions, intermediate level)
- `python-easy-15q-v1` (new 15-question exam with multiple_choices)

All three exams are available in the exam list.