Case Study: Land Buying and Bill Generator (Python)
1. Project Overview
Type: Python console application
Purpose: Calculate land transaction costs (taxes/fees) and generate a printable bill file.
Technologies: Python, file I/O
2. Features
| Feature | Details |
|---|---|
| Input Flow | Read land area, rate, and buyer details |
| Tax Rules | Apply slabs and fees to compute totals |
| File Output | Generate a bill as a text file |
| Validation | Basic checks for missing/invalid entries |
3. Challenges & Solutions
| Challenge | Solution |
|---|---|
| Accurate fee calculations | Isolated calculator functions with unit‑like testing |
| Input errors | Prompt loops and defaults for safe values |
| File formatting | Structured bill layout for readability |
4. Sample Output
5. Outcome
- Reusable CLI template for similar calculators
- Clear separation of compute vs. IO steps