code: def test_little_endian():
      assert _binary.i16le(b"\xff\xff\x00\x00") == 65535
      assert _binary.i32le(b"\xff\xff\x00\x00") == 65535
  
      assert _binary.o16le(65535) == b"\xff\xff"
      assert _binary.o32le(65535) == b"\xff\xff\x00\x00"
  
imports: from __future__ import annotations
  from PIL import _binary
label_desc: Use image node_id 2 for calling a global function with example usage: test_little_endian() without return types