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Which of the following is the correct way to initialize a session store for multi-user RAG in Python?

easy📝 Syntax Q3 of 15
LangChain - Conversational RAG
Which of the following is the correct way to initialize a session store for multi-user RAG in Python?
Asession_store = {}
Bsession_store = []
Csession_store = ''
Dsession_store = 0
Step-by-Step Solution
Solution:

  1. Step 1: Understand the session store purpose

    The session store should map user IDs to session data, so it needs to be a dictionary.

  2. Step 2: Identify correct initialization

    An empty dictionary is initialized with curly braces {} in Python.

  3. Final Answer:

    session_store = {} -> Option A

  4. Quick Check:

    Empty dict initialization = {} [OK]
Quick Trick: Initialize session store as empty dict with {} [OK]
Common Mistakes:
  • Using list [] instead of dict
  • Using empty string '' or integer 0 incorrectly
  • Confusing syntax for dict initialization

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