code: def _load_start_paths(self):
          " Start the Read-Eval-Print Loop. "
          if self._startup_paths:
              for path in self._startup_paths:
                  if os.path.exists(path):
                      with open(path, 'rb') as f:
                          code = compile(f.read(), path, 'exec')
                          six.exec_(code, self.get_globals(), self.get_locals())
                  else:
                      output = self.app.output
                      output.write('WARNING | File not found: {}\n\n'.format(path)f _load_start_paths(self):
          " Start the Read-Eval-Print Loop. "
          if self._startup_paths:
              for path in self._startup_paths:
                  if os.path.exists(path):
                      with open(path, 'rb') as f:
                          code = compile(f.read(), path, 'exec')
                          six.exec_(code, self.get_globals(), self.get_locals())
                  else:
                      output = self.app.output
                      output.write('WARNING | File not found: {}\n\n'.format(path))
docs: Start the Read-Eval-Print Loop.