function_as_prefect_task_result.py

import prefect
from prefect import Flow, Parameter, task


@task
def func_factory():
    def func():
        prefect.context.get('logger').info('this is a func')

    return func


@task
def call_func(func):
    prefect.context.get('logger').info(f'calling function {func.__name__}')
    func()


with Flow('function_as_prefect_task_result') as flow:
    new_func = func_factory()
    call_func(new_func)


flow.run()