code: def test_map_elements_10237() -> None:
      df = pl.DataFrame({"a": [1, 2, 3]})
      assert (
          df.select(pl.all().map_elements(lambda x: x > 50))[
              "a"
          ].to_list()
          == [False] * 3
      )
  
imports: from __future__ import annotations
  import json
  from datetime import date, datetime, timedelta
  import numpy
  import pytest
  import polars
  from polars.exceptions import PolarsInefficientMapWarning
  from polars.testing import assert_frame_equal
label_desc: Use image node_id 18 for calling a global function with example usage: test_map_elements_10237() without return types