code: def xxd_output_to_bytes(input_cc_file):
      """Converts xxd output C++ source file to bytes (immutable).
  
      Args:
        input_cc_file: Full path name to th C++ source file dumped by xxd
  
      Raises:
        RuntimeError: If input_cc_file path is invalid.
        IOError: If input_cc_file cannot be opened.
  
      Returns:
        A bytearray corresponding to the input cc file array.
      """
      # Match hex values in the string with comma as separator
      pattern = re.compile(r"\W*(0x[0-9a-fA-F,x ]+).*")
  
      model_bytearray = bytearray()
  
      with open(input_cc_file) as file_handle:
          for line in file_handle:
              values_match = pattern.match(line)
  
              if values_match is None:
                  continue
  
              # Match in the parentheses (hex array only)
              list_text = values_match.group(1)
  
              # Extract hex values (text) from the line
              # e.g. 0x1c, 0x00, 0x00, 0x00, 0x54, 0x46, 0x4c,
              values_text = filter(None, list_text.split(","))
  
              # Convert to hex
              values = [int(x, base=16) for x in values_text]
              model_bytearray.extend(values)
  
      return bytes(model_bytearray)
  
imports: import copy
  import random
  import re
  import struct
  import sys
  import flatbuffers
  from tensorflow.lite.python import schema_py_generated
  from tensorflow.lite.python import schema_util
  from tensorflow.python.platform import gfile
label_desc: Use image node_id 11 for calling a global function with example usage: xxd_output_to_bytes(input_cc_file) and returns: bytes