🤖 Simple NLP Chatbot

A beginner-friendly NLP based chatbot built using Python and NLTK. This chatbot can understand basic user inputs and respond in English or Hinglish.

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📌 Project Overview

This project is a simple Natural Language Processing (NLP) chatbot created as part of a learning task.

The chatbot: - Takes user input - Processes text using NLP techniques - Matches it with predefined intents - Returns an appropriate response

It is designed to be easy to understand and beginner-friendly.

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🚀 Features

• 💬 Interactive chatbot interface (Terminal-based)
• 🌐 Supports English and Hinglish responses
• 🔀 Random response selection from multiple replies
• 🧠 Basic NLP preprocessing (tokenization, stopword removal)
• 📁 Uses JSON file for storing intents and responses
• 🔄 Easy to modify and expand
• 🎓 Beginner-friendly code structure

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🛠️ Technologies Used

• Python 3
• NLTK (Natural Language Toolkit)
• JSON

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⚙️ Installation & Setup

1️⃣ Clone the Repository

git clone https://github.com/lakshminarayanverma91-bot/chatbot

2️⃣ Install Required Libraries

pip install nltk

3️⃣ Run the Chatbot

python chatbot.py

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🧠 How It Works

1. User enters a message
2. Text is tokenized using NLTK
3. Stopwords are removed
4. Input is matched with predefined patterns
5. A random response is selected
6. Response is displayed in English or Hinglish

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📈 Future Improvements

• Add Machine Learning model (e.g., TensorFlow / PyTorch)
• Add GUI using Tkinter or Streamlit
• Add speech-to-text feature
• Deploy on web using Flask or Django
• Add database integration

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🎯 Learning Objectives

• Understand basics of NLP
• Work with JSON data
• Implement simple chatbot logic
• Improve Python programming skills

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🙋‍♂️ Author

Laxmi Narayan Verma BSc (Hons) Computer Science Delhi University

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📜 License

This project is open-source and free to use for learning purposes.