Can anyone tell how does agent work in langchain.I want complete flow.

[VijayRajIITP]

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Example Code

from lancgchain import chain

Description

My understanding is that suppose we have given prompt that you have to follow the steps in specific format that is Thought action and obsevation. So I want to know what input is going is llm .How AgentFinish work ?How agent knows that my answer is complete .What is stoping criteria for LLM chain.How to get final output from agents .Is final output a summary of observation

System Info

pyhon