code: def next(self):
      self[0] = cmp(self.a[0], self.b[0])
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import functools
  import math
  from .linebuffer import LineActions
  from .utils.py3 import cmp, range
label_desc: Use image node_id 2 for calling the Cmp obj's underlying member method code with example usage: obj.next() without return types