code: def test_node_degree_xy_undirected(self):
      xy = sorted(nx.node_degree_xy(self.P4))
      xy_result = sorted(
          [(1, 2), (2, 1), (2, 2), (2, 2), (1, 2), (2, 1)]
      )
      assert xy == xy_result
  
file_path: networkx/networkx/algorithms/assortativity/tests/test_pairs.py
imports: import networkx
  from .base_test import BaseTestAttributeMixing, BaseTestDegreeMixing
label_desc: Use image node_id 1 for calling the TestDegreeMixingXY obj's underlying member method code with example usage: obj.test_node_degree_xy_undirected() without return types