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💰 Python Compound Interest Calculator (CLI)

A simple command-line compound interest calculator built using Python.
This project focuses on input validation using loops and calculating compound interest using the standard formula.

⚙️Versions

Version 1→ Basic functions/if-elif/Error handling/Loop
Version 2→ def/Looped/sorted/

🚀 Features

Calculates compound interest using formula:
- A = P(1 + r/100)^t
Input validation using while loops
Handles invalid inputs with try-except
Prevents negative or zero values
Clean and simple CLI interaction

⚒️ Requirements

Python 3.x

(No external libraries required)

🧠 What I Learned

Using while True loops for input validation
Handling errors using try-except
Working with numeric input (float, int)
Applying mathematical formulas in code
Using pow() for exponentiation
Basic CLI interaction

⚠️ Limitations

No menu system
No breakdown (only final result)
No support for different compounding types
CLI only (no GUI)

📌 Project Level

Beginner

⭐️ This project is part of my Python learning journey.