What drives EV prices?
In this exercise, you want to understand the relationship between range and price of the vehicles.
For this exercise there is a pre-created lazy query called ev_df that starts with a scan of the CSV followed by a .select() of the brand, model, range, and price columns.
Questo esercizio fa parte del corso
Introduction to Polars
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
range_ev_df = (
ev_df
# Add a euro_per_range column
.with_columns(
(____/____).alias("euro_per_range")
)
)
# Order by the euro_per_range column
range_ev_df = range_ev_df.____