class_docstr: A custom operator that adds one to the input.
class_docstr_tok: ["A","custom","operator","that","adds","one","to","the","input","."]
code: def execute(self, context):
      return self.value + 1
  
file_path: airflow/airflow/example_dags/example_dynamic_task_mapping_with_no_taskflow_operators.py
imports: from __future__ import annotations
  from datetime import datetime
  from airflow.models.baseoperator import BaseOperator
  from airflow.models.dag import DAG
label_desc: Use image node_id 2 for calling the AddOneOperator obj's underlying member method code with example usage: obj.execute(context) and returns: unknown