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.
Questo esercizio fa parte del corso
Data Transformation with Polars
Istruzioni dell'esercizio
- 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".
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
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")
)