Concatenating text columns
With the whitespace cleaned up, you realize that some products have the same detail but come in different sizes. To uniquely identify each product variant, you need to combine the detail and size columns into a single identifier.
Este ejercicio forma parte del curso
Data Transformation with Polars
Instrucciones del ejercicio
- Concatenate the
detailandsizecolumns with a colon separator and name the new columndetail_size.
ejercicio interactivo práctico
Prueba este ejercicio completando este código de ejemplo.
# Combine detail and size into a new column
reviews.with_columns(
pl.____(["detail", "size"], separator="____").____("detail_size")
)