code: def get_and_check_clang_format():
      """
      Download a platform-appropriate clang-format binary if one doesn't already exist at the expected location and verify
      that it is the right binary by checking its SHA1 hash against the expected hash.
      """
      # If the host platform is not in PLATFORM_TO_HASH, it is unsupported.
      if HOST_PLATFORM not in PLATFORM_TO_HASH:
          print(f"Unsupported platform: {HOST_PLATFORM}")
          return False
      if HOST_PLATFORM not in PLATFORM_TO_CF_URL:
          print(f"Unsupported platform: {HOST_PLATFORM}")
          return False
  
      try:
          download_url(
              PLATFORM_TO_CF_URL[HOST_PLATFORM],
              CLANG_FORMAT_PATH,
              PLATFORM_TO_HASH[HOST_PLATFORM],
              hash_type="sha256",
          )
      except Exception as e:
          print(f"Download {CLANG_FORMAT_PATH} failed: {e}")
          print(f"Please remove {CLANG_FORMAT_PATH} and retry.")
          return False
  
      # Make sure the binary is executable.
      mode = os.stat(CLANG_FORMAT_PATH).st_mode
      mode |= stat.S_IXUSR
      os.chmod(CLANG_FORMAT_PATH, mode)
      print(f"Using clang-format located at {CLANG_FORMAT_PATH}")
  
      return True
  
imports: from __future__ import annotations
  import os
  import platform
  import stat
  import sys
  from monai.apps.utils import download_url
label_desc: Use image node_id 1 for calling a global function with example usage: get_and_check_clang_format() and returns: True, False, False, False