code: def test_group_by_dynamic_agg_input_types(input: Any) -> None:
      df = pl.LazyFrame(
          {"index_column": [0, 1, 2, 3], "b": [1, 3, 1, 2]}
      ).set_sorted("index_column")
      result = df.group_by_dynamic(
          index_column="index_column", every="2i", closed="right"
      ).agg(input)
  
      expected = pl.LazyFrame(
          {"index_column": [-2, 0, 2], "b": [1, 4, 2]}
      )
      assert_frame_equal(result, expected)
  
imports: from __future__ import annotations
  import sys
  from datetime import date, datetime, timedelta
  from typing import TYPE_CHECKING, Any
  import numpy
  import pytest
  import polars
  from polars.testing import assert_frame_equal
label_desc: Use image node_id 29 for calling a global function with example usage: test_group_by_dynamic_agg_input_types(input) without return types