[airflow] 날짜 출력 예제

제일 단순한 예제를 먼저 해보려고 합니다. 공식 튜토리얼에서 예제를 찾았고 포스팅 하단에 실행 결과가 있습니다.

소스코드 ~/airflow/dags/example.py # # Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership.

The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the Lic...