code: def _replace_global_vars(xs, global_vars):
      
      if isinstance(xs, (list, tuple)):
          return [_replace_global_vars(x) for x in xs]
      elif isinstance(xs, dict):
          final = {}
          for k, v in xs.items():
              if isinstance(v, six.string_types) and v in global_vars:
                  v = global_vars[v]
              final[k] = v
          return final
      else:
          return xs
docs: Replace globally shared names from input header with value.
  
      The value of the `algorithm` item may be a pointer to a real
      file specified in the `global` section. If found, replace with
      the full value.