code: def generateGraph() -> Set[Tuple[int, int]]:
      edges: Set[Tuple[int, int]] = set()
      while len(edges) < numEdges:
          src = rand.randrange(0, numVertices)
          dst = rand.randrange(0, numVertices)
          if src != dst:
              edges.add((src, dst))
      return edges
  
imports: import sys
  from random import Random
  from typing import Set, Tuple
  from pyspark.sql import SparkSession
label_desc: Use image node_id 1 for calling a global function with example usage: generateGraph() and returns: edges