{"id":"max-depth-nary-node-children-default","text":"`Node.__init__` normalizes `children=None` to `[]`, avoiding the mutable default argument pitfall and ensuring callers can omit the argument.","truth_value":"IN","source":"entries/2026/06/06/maximum-depth-of-n-ary-tree-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"max-depth-nary-node-children-default","truth_value":"IN","reason":"premise"}]}}