code: def load_feature_plots():
      es = ft.demo.load_mock_customer(return_entityset=True)
      path = os.path.join(
          os.path.dirname(os.path.abspath(__file__)),
          "getting_started/graphs/",
      )
      agg_feat = ft.AggregationFeature(
          ft.IdentityFeature(es["sessions"].ww["session_id"]),
          "customers",
          ft.primitives.Count,
      )
      trans_feat = ft.TransformFeature(
          ft.IdentityFeature(es["customers"].ww["join_date"]),
          ft.primitives.TimeSincePrevious,
      )
      demo_feat = ft.AggregationFeature(
          ft.TransformFeature(
              ft.IdentityFeature(
                  es["transactions"].ww["transaction_time"]
              ),
              ft.primitives.Weekday,
          ),
          "sessions",
          ft.primitives.Mode,
      )
      ft.graph_feature(
          agg_feat, to_file=os.path.join(path, "agg_feat.dot")
      )
      ft.graph_feature(
          trans_feat, to_file=os.path.join(path, "trans_feat.dot")
      )
      ft.graph_feature(
          demo_feat, to_file=os.path.join(path, "demo_feat.dot")
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: load_feature_plots() without return types