Код: Выделить всё
import polars as pl
text = "a brown fox jumps over a lazy dog's head"
step = 3
df = pl.DataFrame({"a":text.split(" ")})
first = df.filter(pl.int_range(pl.len())%step==0)
second = df.filter(pl.int_range(pl.len())%step==1)
third= df.filter(pl.int_range(pl.len())%step==2)
dff = (
pl.DataFrame({
'first':first['a'],
'second':second['a'],
'third':third['a']})
)
print(dff)
shape: (3, 3)
┌───────┬────────┬───────┐
│ first ┆ second ┆ third │
│ --- ┆ --- ┆ --- │
│ str ┆ str ┆ str │
╞═══════╪════════╪═══════╡
│ a ┆ brown ┆ fox │
│ jumps ┆ over ┆ a │
│ lazy ┆ dog's ┆ head │
└───────┴────────┴───────┘
#
Подробнее здесь: https://stackoverflow.com/questions/735 ... rs-in-a-si
Мобильная версия