2023
PuppyCoding - ChatGPT API Function Calling with Python: JSON Output Example 0:00 of 13:41
    https://www.youtube.com/watch?v=SDD5U7LUVKI
    https://www.youtube.com/watch?v=BQWi3R6-TfM
        https://openai.com/blog/function-calling-and-other-api-updates
        https://www.youtube.com/watch?v=PPsptBoHIiE
CodeWithHarry - LangChain Tutorial for Beginners | Generative AI Series 0:00 of 1:04:45
    https://www.youtube.com/watch?v=cQUUkZnyoD0