%load_ext autoreload
%autoreload 2

import polars as pl
df = pl.scan_csv('./bike_sharing_dc.csv', try_parse_dates = True)
strange_name = f"{''.join(chr(i) for i in range(1, 256))}"
df = df.select([
    pl.col("date").alias(strange_name),
    pl.col("*")
])
df = df.fetch(10)
df = df.with_columns( [
    pl.lit(df["holiday"].set_at_idx(1,strange_name)),
])
df

import pygwalker as pyg
pyg.walk(df)