code: def test_simple():
      data = b"12345" * 10000000
  
      with open("data", "wb") as f:
          f.write(data)
  
      lpc.compress("data", "data.zstd_1", threads=5)
      lpc.decompress("data.zstd_1", "data.new", threads=3)
  
      with open("data.new", "rb") as f:
          assert f.read() == data
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_simple() without return types