LangChain - LangSmith Observability
Which of the following is a correct way to start tracking cost using LangChain's callback?
Which of the following is a correct way to start tracking cost using LangChain's callback?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall the syntax for context managers in Python
LangChain uses Python'swithstatement to manage callbacks safely.Step 2: Identify the correct usage
The correct syntax iswith get_openai_callback() as cb:to start tracking.Final Answer:
with get_openai_callback() as cb: -> Option AQuick Check:
Context manager syntax = A [OK]
Quick Trick: Use 'with' to start callback tracking [OK]
Common Mistakes:
MISTAKES- Using incorrect keywords like start or open
- Not using 'with' for context management
- Missing the 'as' keyword to assign callback
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