| # 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 License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| # beam-playground: | |
| # name: WithKeys | |
| # description: Task from katas to convert each fruit name into a KV of its first letter and itself. | |
| # multifile: false | |
| # context_line: 31 | |
| # categories: | |
| # - Core Transforms | |
| # complexity: BASIC | |
| # tags: | |
| # - map | |
| # - strings | |
| import apache_beam as beam | |
| with beam.Pipeline() as p: | |
| (p | beam.Create(['apple', 'banana', 'cherry', 'durian', 'guava', 'melon']) | |
| | beam.WithKeys(lambda word: word[0:1]) | |
| | beam.LogElements()) |