code: def __next__(self):
      if self.pos >= len(self.seq):
          raise StopIteration
      result = loop_pos(self.seq, self.pos), self.seq[self.pos]
      self.pos += 1
      return result
  
imports: import sys
  from Cython.Tempita.compat3 import basestring_
label_desc: Use image node_id 3 for calling the looper_iter obj's underlying member method code with example usage: obj.__next__() and returns: result