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result.add(item) for (item in list) result.add(item) return result } fun List.customConcat(): List { val result = mutableListOf() ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":2,"num_loc":47,"iteration_status":"analyzing","published_iteration_head_tests_status":"passed","published_at":"2023-12-30T08:27:36.000Z","is_out_of_date":false,"language":"kotlin","author":{"handle":"cosmichearse"},"exercise":{"title":"ऐरे ऑपरेशन","icon_url":"https://assets.exercism.org/exercises/list-ops.svg"},"track":{"title":"Kotlin","icon_url":"https://assets.exercism.org/tracks/kotlin.svg","highlightjs_language":"kotlin"},"links":{"public_url":"https://exercism.org/hi/tracks/kotlin/exercises/list-ops/solutions/cosmichearse","private_iterations_url":"https://exercism.org/hi/tracks/kotlin/exercises/list-ops/iterations"}},{"uuid":"3f06e665f38e438b9328c6b0f6ba62a0","snippet":" fun List.customAppend(list: List): List { val out = ArrayList(this) list.forEach { out.add(it) } return out } fun List.customConcat(): List { if (this.isEmpty()) return emptyList() val out = mutableListOf() ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":62,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2026-08-01T14:21:13.000Z","is_out_of_date":false,"language":"kotlin","author":{"handle":"liminal-7696"},"exercise":{"title":"ऐरे ऑपरेशन","icon_url":"https://assets.exercism.org/exercises/list-ops.svg"},"track":{"title":"Kotlin","icon_url":"https://assets.exercism.org/tracks/kotlin.svg","highlightjs_language":"kotlin"},"links":{"public_url":"https://exercism.org/hi/tracks/kotlin/exercises/list-ops/solutions/liminal-7696","private_iterations_url":"https://exercism.org/hi/tracks/kotlin/exercises/list-ops/iterations"}}],"meta":{"current_page":1,"total_count":100,"total_pages":5,"unscoped_total":100}}}}}

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