| 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 df = dataFrameOf("a")(123).convert { a }.perRowCol { row, col -> "" } | |
| val value: String = df.a[0] | |
| return "OK" | |
| } |