code: def print_summary(self, strm):
          
          nerr = 0
          nerr += LintHelper._print_summary_map(strm, self.cpp_header_map, 'cpp-header')
          nerr += LintHelper._print_summary_map(strm, self.cpp_src_map, 'cpp-soruce')
          nerr += LintHelper._print_summary_map(strm, self.python_map, 'python')
          if nerr == 0:
              strm.write('All passed!\n')
          else:
              strm.write('%d files failed lint\n' % nerr)
          return nerr
docs: Print summary of lint.