[Solved] Which of the following best describes RunnableLambda in Langchain? — Ans: A wrapper to run a Python lambda function as a runnable | LangChain

LangChain - Chains and LCEL

Which of the following best describes RunnableLambda in Langchain?

AA wrapper to run a Python lambda function as a runnable

BA tool to pass input unchanged

CA class that stores data for later retrieval

DA method to connect to external databases

Step-by-Step Solution

Solution:

Step 1: Identify RunnableLambda's role
RunnableLambda wraps a Python lambda function so it can be run within Langchain's runnable interface.
Step 2: Match description to options
A wrapper to run a Python lambda function as a runnable correctly states it wraps a lambda function to run it as a runnable.
Final Answer:
A wrapper to run a Python lambda function as a runnable -> Option A
Quick Check:
RunnableLambda = Wraps lambda function [OK]

Quick Trick: RunnableLambda runs your lambda function inside Langchain [OK]

Common Mistakes:

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Which of the following best describes RunnableLambda in Langchain?