polars get-month for dataframe

Gets month from date.

Signature

> polars get-month {flags}

Input/output types:

inputoutput
anyany

Examples

Returns month from a date

> let dt = ('2020-08-04T16:39:18+00:00' | into datetime --timezone 'UTC');
    let df = ([$dt $dt] | polars into-df);
    $df | polars get-month
╭───┬───╮
 # │ 0 │
├───┼───┤
 0 8
 1 8
╰───┴───╯