Replacing multiple patterns
The analytics team needs to calculate average product sizes, but the size column contains text values like "30ml" instead of numbers. You can replace multiple patterns at once to clean these values.
Latihan ini merupakan bagian dari kursus
Data Transformation with Polars
Instruksi latihan
- Replace
"30ml","50ml", and"100ml"in the"size"column with their numeric equivalents"30","50", and"100". - Cast the
"size"column to a 64-bit integer.
Latihan interaktif langsung praktik
Cobalah latihan ini dengan melengkapi kode contoh ini.
# Replace size values with numeric strings
reviews.with_columns(
pl.col("size").str.____(["30ml","50ml","100ml"],["____","____","____"])
# Cast size column to integer
).____({"____":pl.Int64})