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Creating new columns with a suffix

You are asked by a client how each vehicle ranks relative to the others in terms of their performance characteristics such as their acceleration or range.

Cet exercice fait partie du cours

Introduction to Polars

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Instructions

  • Use selectors to select all of the string and float columns in a new DataFrame rank_df.
  • Add new columns with the rank of the float columns with the suffix "_rank" added to the column name.

Exercice interactif pratique

Essayez cet exercice en complétant cet exemple de code.

rank_df = (
    ev_df
	# Select all string and float columns  
    .select(____)
	# Add new columns with the rank of the float columns
    .with_columns(____)
)

print(rank_df)
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