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LangChain Basics in One Hour

This is a basic LangChain lecture that extracts the key points from official documents for the price of a cup of coffee. Get familiar with LangChain grammar before you start developing!

(4.9) 168 reviews

1,170 learners

  • jasonkang
ai개발
3시간 만에 완강할 수 있는 강의 ⏰
LLM
LangChain
prompt engineering
kakao-tech

Reviews from Early Learners

What you will learn!

  • LangChain

  • LLM

  • Prompt Engineering

LangChain Basics in One Hour

LangChain, do you feel vague? We will finish the core in one hour.

  • If you want to read the official documentation first, there are only tutorial notebooks.

  • And even then, it's all in English

  • However, if you know the basics, the rest is application, so you don't need to follow all the tutorials.

  • So I'll just touch on the core, basic concepts.

Learn about these things

Ollama

Why are you telling me not to use GPT for security reasons and what should I create with LLM? I will show you how to run a local model using Ollama.

Writing a Langchain-like prompt

When writing prompts, you need to write them "Langchain-like" to develop an expandable structure. I will show you how to use Langchain's PromptTemplate and ChatPromptTemplate.

Generate answers in the format you want

I only need one word, but LLM is giving me too many explanations? Are you having trouble converting it to JSON and sending it? Here's how to customize the answers LLM generates to your taste.

Connection using LCEL grammar

Do you want to handle complex tasks smoothly? I will teach you how to develop multiple steps using LCEL grammar, with high readability and extensibility using Langchain grammar.

Things to note before taking the class

Practice environment

  • The lecture was filmed in a MacOS environment, but it can also be used on Windows and Linux if Python is installed.

  • In this lecture, we will use the Cursor editor, but it can be used in any editor, including VSCode, Jupyter Notebook, and PyCharm.

Learning Materials

  • GitHub Source Code

  • Please refer to the comments in the code without any separate explanatory materials such as Notion or Gitbook.

Player Knowledge and Notes

  • Python is a must!

Recommended for
these people

Who is this course right for?

  • If you are curious about the blockchain

  • If you are new to the blockchain

Need to know before starting?

  • Python

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4.9

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9

Courses

Curriculum

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7 lectures ∙ (1hr 1min)

Published: 
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Reviews

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168 reviews

4.9

168 reviews

  • 베리베리님의 프로필 이미지
    베리베리

    Reviews 1

    Average Rating 5.0

    5

    100% enrolled

    정말 가치있는 1시간

    • 유지오님의 프로필 이미지
      유지오

      Reviews 2

      Average Rating 5.0

      5

      43% enrolled

      • 탐실이님의 프로필 이미지
        탐실이

        Reviews 10

        Average Rating 5.0

        5

        43% enrolled

        • hit102412님의 프로필 이미지
          hit102412

          Reviews 6

          Average Rating 5.0

          5

          100% enrolled

          기초를 들어도 이해하기 쉽지 않네요 다른 강의도 들으면서 개발시도좀 해보겠습니다. 강의 잘들었습니다!

          • 로이스티님의 프로필 이미지
            로이스티

            Reviews 3

            Average Rating 5.0

            5

            43% enrolled

            $4.40

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