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200-901 Software Development and Design Practice Question

Given the JSON string: '{"name": "Alice", "scores": [90, 85, 92]}', which Python code correctly extracts the second score (85)?

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

json.loads(json_str)['scores'][1]

json.loads converts to dict, then access scores list index 1.

Answer analysis

For each option: why learners choose it and why it is or isn't the right answer here.

✓
json.loads(json_str)['scores'][1]
Why this is correct
Correct.
✗
json.dumps(json_str)['scores'][1]
Why it's wrong here
dumps converts dict to string.
✗
json_str['scores'][1]
Why it's wrong here
String not subscriptable for key.
✗
json.loads(json_str)['scores'][2]
Why it's wrong here
Index 2 is 92.

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