code: def test_parquet_nesting_structs_list() -> None:
      f = io.BytesIO()
      df = pl.from_records(
          [
              {
                  "id": 1,
                  "list_of_structs_col": [
                      {"a": 10, "b": [10, 11, 12]},
                      {"a": 11, "b": [13, 14, 15]},
                  ],
              },
              {
                  "id": 2,
                  "list_of_structs_col": [
                      {"a": 44, "b": [12]},
                  ],
              },
          ]
      )
  
      df.write_parquet(f)
      f.seek(0)
  
      assert_frame_equal(pl.read_parquet(f), df)
  
imports: from __future__ import annotations
  import io
  from datetime import datetime, time, timezone
  from decimal import Decimal
  from typing import TYPE_CHECKING
  import numpy
  import pandas
  import pyarrow
  import pyarrow.dataset
  import pyarrow.parquet
  import pytest
  import polars
  from polars.testing import assert_frame_equal, assert_series_equal
label_desc: Use image node_id 20 for calling a global function with example usage: test_parquet_nesting_structs_list() without return types