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.
Bu egzersiz, kursun bir parçasıdır
Data Transformation with Polars
Egzersiz talimatları
- 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".
Uygulamalı etkileşimli egzersiz
Bu egzersizi bu örnek kodu tamamlayarak deneyin.
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")
)