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You have a model with 1000 predictions and 50 failures. You want to analyze failure causes by grouping errors by type:

hard📝 Application Q8 of 15
Agentic AI - Agent Observability
You have a model with 1000 predictions and 50 failures. You want to analyze failure causes by grouping errors by type:
failures = ["typeA", "typeB", "typeA", "typeC", "typeB", "typeA"]
error_counts = {t: failures.count(t) for t in set(failures)}
print(error_counts)

What does this code output?
A{'typeA': 2, 'typeB': 3, 'typeC': 1}
B{'typeA': 1, 'typeB': 1, 'typeC': 1}
C{'typeA': 3, 'typeB': 2, 'typeC': 1}
DSyntax error due to set usage
Step-by-Step Solution
Solution:
  1. Step 1: Identify unique error types

    set(failures) = {'typeA', 'typeB', 'typeC'}
  2. Step 2: Count occurrences of each type

    typeA appears 3 times, typeB 2 times, typeC 1 time.
  3. Final Answer:

    {'typeA': 3, 'typeB': 2, 'typeC': 1} -> Option C
  4. Quick Check:

    Count each error type correctly [OK]
Quick Trick: Use set and count to tally error types [OK]
Common Mistakes:
  • Miscounting occurrences
  • Thinking set causes error

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