Make $0 Chatbot with LangChain, Ollama, and Gradio-Quick Overview with coding walkthrough

⭐️What You'll Learn:
Basic components of using LangChain to make LLM-based applications: LLM, prompt templates, and memory
How LangGraph helps implement memory for chatbot
Common chat patterns between human and AI
Coding walkthrough to implement LLM (OpenAI and Ollama), prompt templates, and LangGraph memory
Build quick chatbot interface with Gradio
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🎬Quick navigation:
01:30 Intro to LangChain
02:45 Main components of LangChain to build basic chatbot
04:35 Coding walkthrough starts
05:11 LLM definition, using OpenAI
07:35 Prompt templates
09:52 Memory using LangGraph
13:50 ChatPromptTemplate, a combination of Prompt Templates and Memory
15:20 Building Echo, the LLM Coach with Gradio
17:02 LLM definition with Ollama and Llama 3.2
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