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.
Cet exercice fait partie du cours
Data Transformation with Polars
Instructions
- Concatenate the
detailandsizecolumns with a colon separator and name the new columndetail_size.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# Combine detail and size into a new column
reviews.with_columns(
pl.____(["detail", "size"], separator="____").____("detail_size")
)