code: def test_if_elif0(self):
      self.assertCorrect(
          source="if a: b\nelif c: b",
          lhs_conditional=[],
          lhs_stable=[],
          rhs_conditional=["b", "c"],
          rhs_stable=["a"],
          undefined=["a", "b", "c"],
      )
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import unittest
  from ...asttools.visitors.cond_symbol_visitor import conditional_symbols
  import ast
  from ...testing import py2only
label_desc: Use image node_id 15 for calling the Test obj's underlying member method code with example usage: obj.test_if_elif0() without return types