code: def printiterstats(self, itst):
          
  
          itdsp = tuple([getattr(itst, self.hdrmap[col]) for col in self.hdrtxt])
          print(self.fmtstr % itdsp)
docs: Print iteration statistics.
  
          Parameters
          ----------
          itst : namedtuple
            IterationStats namedtuple as returned by :meth:`iterstats`