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.
This exercise is part of the course
Introduction to Polars
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
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.____