code: def _md5_validation(self) -> bool:
          '''
          Verifies the MD5 checksum.
          Only used in the __init__() function
          '''
          fn = self.file if self.compressed_file is None else self.compressed_file
  
          md5 = hashlib.md5()
          block_size = 16384
          with fn.open('rb') as f:
              f.seek(-16, 2)
              remaining = f.tell()  # File size minus checksum size
              f.seek(0)
              while (remaining > block_size):
                  data = f.read(block_size)
                  remaining = remaining - block_size
                  md5.update(data)
  
              if (remaining > 0):
                  data = f.read(remaining)
                  md5.update(data)
  
              existing_md5 = f.read(16).hex()
  
          return md5.hexdigest() == existing_mdf _md5_validation(self) -> bool:
          '''
          Verifies the MD5 checksum.
          Only used in the __init__() function
          '''
          fn = self.file if self.compressed_file is None else self.compressed_file
  
          md5 = hashlib.md5()
          block_size = 16384
          with fn.open('rb') as f:
              f.seek(-16, 2)
              remaining = f.tell()  # File size minus checksum size
              f.seek(0)
              while (remaining > block_size):
                  data = f.read(block_size)
                  remaining = remaining - block_size
                  md5.update(data)
  
              if (remaining > 0):
                  data = f.read(remaining)
                  md5.update(data)
  
              existing_md5 = f.read(16).hex()
  
          return md5.hexdigest() == existing_md5
docs: Verifies the MD5 checksum.
          Only used in the __init__() function