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how to fix Did not find openai_api_key error
**Visual Elements**:
1. **Background**: A clean, tech-themed background with subtle patterns representing coding and AI.
2. **Main Image**: A high-resolution image of a computer screen displaying code. On one side, there's a clear representation of the OpenAI logo, and on the other, the LangChain logo.
3. **Instructor Image**: A professional photo of Ronnie, the instructor, positioned on one side, smiling and pointing towards the code on the screen.
4. **Overlay Text**:
- Top: "Tutorial #89"
- Center: "Set OpenAI API Key with LangChain"
- Bottom: "Total Technology Zone"
5. **Additional Icons**: Small icons representing key concepts like "API Key", "Environment Variables", and "Python Code".
**Description**:
In this tutorial, Ronnie from Total Technology Zone explains how to set up your OpenAI API key with LangChain. This comprehensive guide is essential for developers facing issues integrating OpenAI API in their projects. Over the last week, Ronnie received over 200 requests to cover this topic, demonstrating its importance. The video covers step-by-step instructions on setting the OpenAI API key as an environment variable and dynamically within your code.
Ronnie starts by walking you through the process of obtaining your OpenAI API key from the OpenAI website. He then explains how to set this key as an environment variable in both Windows and Mac operating systems, ensuring you can securely manage your API credentials.
The tutorial also explores the dynamic setting of the API key using Python’s `os` module and how to manage environment variables within your code. Ronnie provides practical examples, including handling the key securely without exposing it in your source code, which is crucial for maintaining security best practices.
Moreover, Ronnie demonstrates how to create and use a `.env` file to manage environment variables, a common practice in many professional development environments. He discusses the advantages of using `.env` files, especially in larger projects or collaborative environments, ensuring that sensitive information remains protected and easily configurable.
Towards the end of the video, Ronnie briefly touches on more advanced concepts like using environment variables in production environments, including Docker and Kubernetes. He hints at future tutorials focused on DevOps for LLM engineering and applications, indicating exciting content on the horizon for his audience.
Throughout the video, Ronnie encourages viewers to engage with the content, ask questions, and share their experiences. His goal is to build a supportive community where developers can learn and grow together.
This tutorial is perfect for both beginners and experienced developers looking to integrate OpenAI's powerful capabilities into their projects seamlessly. Ronnie’s clear and methodical teaching style ensures that even complex topics are easily understood.
**Call to Action**:
- Subscribe to the Total Technology Zone channel for more tutorials.
- Like and share the video with your network.
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- Leave comments and feedback to help improve the content and address your needs.
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