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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 ParseFileObject(self, parser_mediator, file_object):
 """Parses a file-like object. Args: parser_mediator (ParserMediator):
 a parser mediator. file_object (dfvfs.FileIO):
 a file-like object to parse. Raises: ParseError: when the file cannot be parsed. """

    try:
      self._ParseFileHeader(file_object)
    except errors.ParseError as exception:
      raise errors.ParseError(
          'Unable to parse index file header with error: {0!s}'.format(
              exception))
    # Skip over the LRU data, which is 112 bytes in size.
    file_object.seek(112, os.SEEK_CUR)
    self._ParseIndexTable(file_object)