🛍️ Chat FAQ with Python

This project is a virtual assistant that answers frequently asked questions from an online store.
It is developed in Python using LangChain and OpenAI, and simulates a basic chatbot with no memory, using predefined fixed answers.

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🚀 What does this project do?

• The user can write typical questions such as:
  • "What are your opening hours?"
  • "Do you ship internationally?"
• The assistant responds clearly, using only the predefined information.
• The chat runs in a loop and ends when the user types salir (exit).

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🧰 Technologies and libraries used

• Python (recommended: 3.10+)
• LangChain
• LangChain Community
• OpenAI
• python-dotenv — to load API keys from a .env file

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📦 Installation

Follow these steps to run the project in your local environment:

1. Clone the repository

git clone https://github.com/your_username/chat_faq.git cd chat_faq 2. Create and activate a virtual environment

python -m venv venv .\venv\Scripts\Activate # on Windows

or

source venv/bin/activate # on Mac/Linux 3. Install dependencies

pip install langchain langchain-community openai python-dotenv 🔐 Configuration Create a .env file in the root of the project with your OpenAI key:

OPENAI_API_KEY=your_key_here You can get your key from: https://platform.openai.com/account/api-keys

▶️ Usage Run the chatbot in your console:

python app.py Then type your questions. To exit, type salir (exit).