code: def _gen_name(self):
          r
          n = [0]
          for item in self.keys():
              if item.startswith('sim_'):
                  n.append(int(item.split('sim_')[1]))
          name = 'sim_'+str(max(n)+1).zfill(2)
          return name
docs: r"""
          Generates a valid name for projects