code: def p2(g, f, t, exp):
      if exp != g.get_edge(f, t):
          print("!Failed:", end=" ")
          print(
              "{}->{}:{} (expected: {})".format(
                  f, t, g.get_edge(f, t), exp
              )
          )
  
imports: from maxflow import GraphDouble, GraphFloat, GraphInt
  import random
label_desc: Use image node_id 4 for calling a global function with example usage: p2(g, f, t, exp) without return types