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How to Build and Deploy a Custom AI Assistant Using OpenAI API: A Step-by-Step Tutorial

1. Setting Up Your Development Environment

• Install Python 3.8+ and required libraries: openai, python-dotenv, flask (or streamlit).
• Obtain an OpenAI API key from the dashboard and store it securely in a .env file.
• Choose a code editor (VS Code recommended) and create a dedicated project folder with a virtual environment.

2. Understanding the OpenAI API Structure

• Learn the chat complet