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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _ExportFileContent(self, aff4_object, result):
 """Add file content from aff4_object to result."""

    if self.options.export_files_contents:
      try:
        result.content = aff4_object.Read(self.MAX_CONTENT_SIZE)
        result.content_sha256 = hashlib.sha256(result.content).hexdigest()
      except (IOError, AttributeError) as e:
        logging.warning("Can't read content of %s: %s", aff4_object.urn, e)