This chapter explores the use of ChatGPT, an AI-driven language model, in programming code development. It introduces ChatGPT, detailing its conceptual definition, historical evolution, features, and applications. The pivotal role of ChatGPT in code development, encompassing generation, debugging, and learning, is discussed. Advantages include heightened productivity, improved code quality, enhanced learning, secure code generation, reduced error risks, and increased creativity. Challenges involve limited comprehension, potential for erroneous or insecure code, overreliance, lack of transparency, job market impact, ethical concerns, and the future of programming. Practical applications include web development, debugging, and language learning. Best practices emphasize task definition, contextual information, code verification, and recognizing ChatGPT as a tool, not a substitute for human programmers. The chapter provides a concise overview, addressing benefits, challenges, practical examples, and best practices in utilizing ChatGPT for programming code development.