Adding flag columns
Another team prepared flag columns for each listing: a price band category and a review attention flag. These are stored in a separate DataFrame called tags, aligned with hotels. You need to add these columns to hotels to display them side by side.
polars is loaded as pl. The DataFrames hotels and tags are preloaded for you.
本练习是课程的一部分
Data Transformation with Polars
练习说明
- Combine
hotelsandtagsside by side into a new DataFrame calledhotels_with_flags. - Print a few rows to verify the new columns were added.
交互式实操练习
通过完成这段示例代码来试试这个练习。
# Combine hotels and tags horizontally
hotels_with_flags = pl.concat([____, ____], how="____")
# Print a few rows
print(hotels_with_flags.____())