code: def free_dataset(handle):
      LIB.LGBM_DatasetFree(handle)
  
file_path: LightGBM/tests/c_api_test/test_.py
imports: import ctypes
  from pathlib import Path
  from platform import system
  import numpy
  from scipy import sparse
label_desc: Use image node_id 7 for calling a global function with example usage: free_dataset(handle) without return types