{"id":"counter-default-zero","text":"`Counter[str(i)]` returns 0 for digits not present in `num`, which is load-bearing for correctness when the expected count is also 0 — a plain `dict` would raise `KeyError`","truth_value":"IN","source":"entries/2026/06/06/check-if-number-has-equal-digit-count-and-digit-value-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"counter-default-zero","truth_value":"IN","reason":"premise"}]}}