Chaining multiple conditions

You can also chain multiple conditions together. The product team wants to categorize products as "Large", "Medium", or "Small" based on their size for shipping optimization.

Latihan ini merupakan bagian dari kursus

Data Transformation with Polars

Lihat Kursus

Instruksi latihan

Check if the "size" column equals "100ml" and return "Large".
Check if the "size" column equals "50ml" and return "Medium".
Return "Small" for all other sizes and name the column "size_category".

Latihan interaktif langsung praktik

Cobalah latihan ini dengan melengkapi kode contoh ini.

reviews.with_columns(
  	# Check if size is "100ml" and return "Large"
    pl.when(pl.col("____") == "____").then(pl.lit("____"))
  
    # Check if size is "50ml" and return "Medium"
    .____(pl.col("size") == "____").then(pl.lit("____"))
  
    # Return "Small" for other sizes
    .____(pl.lit("____"))
    .alias("size_category")
)

Edit dan Jalankan Kode