code: def are_edge_disjoint_paths(G, paths):
      if not paths:
          return False
      for path in paths:
          assert is_path(G, path)
      paths_edges = [list(pairwise(p)) for p in paths]
      num_of_edges = sum(len(e) for e in paths_edges)
      num_unique_edges = len(
          set.union(*[set(es) for es in paths_edges])
      )
      if num_of_edges == num_unique_edges:
          return True
      return False
  
imports: import pytest
  import networkx
  from networkx.algorithms import flow
  from networkx.utils import pairwise
label_desc: Use image node_id 2 for calling a global function with example usage: are_edge_disjoint_paths(G, paths) and returns: False, False, True