| import org.jetbrains.kotlinx.dataframe.* | |
| import org.jetbrains.kotlinx.dataframe.annotations.* | |
| import org.jetbrains.kotlinx.dataframe.api.* | |
| import org.jetbrains.kotlinx.dataframe.io.* | |
| fun box(): String { | |
| val df4 = dataFrameOf("a" to listOf("abc")).split { a }.by { it.asIterable() }.inplace() | |
| val listCol: DataColumn<List<Char>> = df4.a | |
| return "OK" | |
| } |