polars.Series.chunk_lengths

Series.chunk_lengths() → list[int]

Get the length of each individual chunk.

Examples

>>> s = pl.Series("a", [1, 2, 3])
>>> s2 = pl.Series("a", [4, 5, 6])

Concatenate Series with rechunk = True

>>> pl.concat([s, s2], rechunk=True).chunk_lengths()
[6]

Concatenate Series with rechunk = False

>>> pl.concat([s, s2], rechunk=False).chunk_lengths()
[3, 3]