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.
Latihan ini adalah bagian dari kursus
Data Transformation with Polars
Petunjuk latihan
- Concatenate the
detailandsizecolumns with a colon separator and name the new columndetail_size.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
# Combine detail and size into a new column
reviews.with_columns(
pl.____(["detail", "size"], separator="____").____("detail_size")
)