code: def test_series_describe_int() -> None:
      s = pl.Series([1, 2, 3])
      result = s.describe()
  
      stats = {
          "count": 3.0,
          "null_count": 0.0,
          "mean": 2.0,
          "std": 1.0,
          "min": 1.0,
          "25%": 2.0,
          "50%": 2.0,
          "75%": 3.0,
          "max": 3.0,
      }
      expected = pl.DataFrame(
          {"statistic": stats.keys(), "value": stats.values()}
      )
      assert_frame_equal(expected, result)
  
file_path: polars/py-polars/tests/unit/series/test_describe.py
imports: from datetime import date
  import pytest
  import polars
  from polars.testing.asserts.frame import assert_frame_equal
label_desc: Use image node_id 1 for calling a global function with example usage: test_series_describe_int() without return types