code: def test_horizontal_expr_use_left_name() -> None:
      df = pl.DataFrame(
          {
              "a": [1, 2],
              "b": [3, 4],
          }
      )
  
      assert df.select(pl.sum_horizontal("a", "b")).columns == ["a"]
      assert df.select(pl.max_horizontal("*")).columns == ["a"]
      assert df.select(pl.min_horizontal("b", "a")).columns == ["b"]
      assert df.select(pl.any_horizontal("b", "a")).columns == ["b"]
      assert df.select(pl.all_horizontal("a", "b")).columns == ["a"]
  
imports: from __future__ import annotations
  import datetime
  from typing import Any
  import pytest
  import polars
  from polars.testing import assert_frame_equal, assert_series_equal
label_desc: Use image node_id 18 for calling a global function with example usage: test_horizontal_expr_use_left_name() without return types