### What do you see as an issue?

https://github.com/apache/airflow/blob/main/airflow/example_dags/example_python_operator.py#L40C1-L44C9

<img width="257" alt="Screenshot 2023-10-16 at 10 23 26 AM" src="https://github.com/apache/airflow/assets/81360154/53030408-4e33-440e-8a39-4cf6f706700a">

this two function, variable are not used

### Solving the problem

I think it's ok to delete those statement

### Anything else

I might be wrong, so let me know the purpose of those statement

### Are you willing to submit PR?

- [X] Yes I am willing to submit a PR!

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)

Example function that will be performed in a virtual environment.
            Importing at the module level ensures that it will not attempt to import the
            library before it is installed.
            """
            import sys
            from time import sleep
            print(f"Running task via {sys.executable}")
            print("Sleeping")
            for _ in range(4):
                print("Please wait...", flush=True)
                sleep(1)
            print("Finished")
        external_python_task = callable_external_python()
        
        
        external_classic = ExternalPythonOperator(
            task_id="external_python_classic",
            python=PATH_TO_PYTHON_BINARY,
            python_callable=x,
        )
        
        
        virtual_classic = PythonVirtualenvOperator(
            task_id="virtualenv_classic",
            requirements="colorama==0.4.0",
            python_callable=x,
        )
        
        run_this >> external_classic >> external_python_task >> virtual_classic