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 exercício faz parte do curso
Data Transformation with Polars
Instruções do exercício
- Concatenate the
detailandsizecolumns with a colon separator and name the new columndetail_size.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
# Combine detail and size into a new column
reviews.with_columns(
pl.____(["detail", "size"], separator="____").____("detail_size")
)