I/O
Polars reads CSV, Parquet and Arrow quickly.
What you will be able to do
- Use read_csv and read_parquet.
- Write with write_parquet.
- Prefer Parquet for analytics.
In plain English
Polars reads CSV, Parquet and Arrow quickly.
- Use read_csv and read_parquet.
- Write with write_parquet.
- Prefer Parquet for analytics.
df.write_parquet('lessons.parquet')
print(pl.read_parquet('lessons.parquet'))Your turn
EasyExplain it back
Answer from memory: Which format is columnar?
TEXT · starter
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Knowledge checkQuestion 1
Which format is columnar?
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