code: def get_commit_hash():
      out = ctypes.c_char_p()
      check_call(_LIB.MXGetCommitHash(ctypes.byref(out)))
      return out.value.decode("utf-8")
  
file_path: mxnet/python/mxnet/runtime.py
imports: import ctypes
  import collections
  from .base import _LIB, check_call
label_desc: Use image node_id 3 for calling a global function with example usage: get_commit_hash() and returns: out