code: def set_header_info(self, r_free, r_work, resolution, title,
                          deposition_date, release_date, experimental_methods):
          
          self.r_free = r_free
          self.r_work = r_work
          self.resolution = resolution
          self.title = title
          self.deposition_date = deposition_date
          self.release_date = release_date
          self.experimental_methods = experimental_methods
docs: Sets the header information.
          :param r_free: the measured R-Free for the structure
          :param r_work: the measure R-Work for the structure
          :param resolution: the resolution of the structure
          :param title: the title of the structure
          :param deposition_date: the deposition date of the structure
          :param release_date: the release date of the structure
          :param experimnetal_methods: the list of experimental methods in the structure