code: def test_monge_elkan(s1, s2, exp):
      obs = hybrid.monge_elkan(s1, s2)
      assert isinstance(obs, float)
      assert 0.0 <= obs <= 1.0
      assert obs == pytest.approx(exp, rel=0.01)
  
imports: import pytest
  from textacy.similarity import hybrid
label_desc: Use image node_id 2 for calling a global function with example usage: test_monge_elkan(s1, s2, exp) without return types