code: def front(self, *fields):
          '''Return the front pair of the structure'''
          v, f = tuple(self.irange(0, 0, fields=fields))
          if v:
              return (v[0], dict(((field, f[field][0]) for field in f))f front(self, *fields):
          '''Return the front pair of the structure'''
          v, f = tuple(self.irange(0, 0, fields=fields))
          if v:
              return (v[0], dict(((field, f[field][0]) for field in f)))
docs: Return the front pair of the structure