code: def __and__(graph, other):
      """Graph intersection operator.
  
      @param other: the other graph to take the intersection with.
      @return: the intersected graph.
      """
      # Deferred import to avoid cycles
      from igraph import Graph
  
      if isinstance(other, Graph):
          return graph.intersection(other)
      else:
          return NotImplemented
  
file_path: python-igraph/src/igraph/operators/methods.py
imports: from igraph._igraph import GraphBase, Vertex, Edge
  from igraph.seq import VertexSeq, EdgeSeq
  from igraph.operators.functions import disjoint_union, union, intersection
label_desc: Use image node_id 6 for calling a global function with example usage: __and__(graph, other) and returns: graph, NotImplemented