Agentic AI - Agent ObservabilityWhich of the following is the correct way to track token usage in a Python script using an AI API?Atokens_used = response['total_tokens']Btokens_used = response['usage']['total_tokens']Ctokens_used = response['usage']['tokens']Dtokens_used = response['token_count']Check Answer
Step-by-Step SolutionSolution:Step 1: Identify the correct key for token usage in API responseMost AI APIs return token usage under response['usage']['total_tokens'].Step 2: Compare options with common API response structureOnly tokens_used = response['usage']['total_tokens'] matches the standard nested key for total tokens used.Final Answer:tokens_used = response['usage']['total_tokens'] -> Option BQuick Check:Correct key path = response['usage']['total_tokens'] [OK]Quick Trick: Look for nested 'usage' then 'total_tokens' key [OK]Common Mistakes:Using wrong key names like 'token_count'Missing nested 'usage' dictionaryAssuming flat keys for token counts
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