code: def test_directed_edges_linestyle_sequence(style_seq):
      """Tests support for specifying linestyles with sequences in
      ``draw_networkx_edges`` for FancyArrowPatch outputs (e.g. directed edges).
      """
  
      G = nx.path_graph(
          4, create_using=nx.DiGraph
      )  # Graph with 3 edges
      pos = {n: (n, n) for n in range(len(G))}
  
      drawn_edges = nx.draw_networkx_edges(G, pos, style=style_seq)
      assert len(drawn_edges) == 3
      for fap, style in zip(drawn_edges, itertools.cycle(style_seq)):
          assert fap.get_linestyle() == style
  
imports: import itertools
  import os
  import warnings
  import pytest
  import networkx
label_desc: Use image node_id 19 for calling a global function with example usage: test_directed_edges_linestyle_sequence(style_seq) without return types