Usage

Basic Example

import polars as pl
import kra

df = pl.DataFrame({"First Name": [1], "Last Name": [2]})
print(df.cols.to_snakecase())

Output:

shape: (1, 2)
┌────────────┬───────────┐
│ first_name ┆ last_name │
└────────────┴───────────┘

df = pl.DataFrame({"a": [1], "b": [2]})
print(df.cols.rename({"a": "x", "c": "y"}))

Output:

shape: (1, 2)
┌─────┬─────┐
│ x   ┆ b   │
└─────┴─────┘

See the API Reference for more details.