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Which of the following is the correct import statement to use FAISS vector store in LangChain?

easy📝 Syntax Q3 of 15
LangChain - Embeddings and Vector Stores
Which of the following is the correct import statement to use FAISS vector store in LangChain?
Aimport faiss from langchain
Bfrom langchain.vectorstores import FAISS
Cfrom langchain.faiss import VectorStore
Dfrom langchain.embeddings import FAISS
Step-by-Step Solution
Solution:

  1. Step 1: Recall correct import path

    The FAISS vector store is imported from langchain.vectorstores as FAISS.

  2. Step 2: Verify syntax correctness

    from langchain.vectorstores import FAISS matches the correct Python import syntax and module path.

  3. Final Answer:

    from langchain.vectorstores import FAISS -> Option B

  4. Quick Check:

    Correct import = from langchain.vectorstores import FAISS [OK]
Quick Trick: FAISS vector store is in langchain.vectorstores module [OK]
Common Mistakes:
  • Incorrect module path
  • Wrong import syntax
  • Confusing embeddings import with vector store import

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