github.com/apache/beam/sdks/v2@v2.48.2/python/apache_beam/examples/snippets/transforms/elementwise/kvswap.py (about)

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    18  
    19  # pytype: skip-file
    20  
    21  
    22  def kvswap(test=None):
    23    # [START kvswap]
    24    import apache_beam as beam
    25  
    26    with beam.Pipeline() as pipeline:
    27      plants = (
    28          pipeline
    29          | 'Garden plants' >> beam.Create([
    30              ('🍓', 'Strawberry'),
    31              ('🥕', 'Carrot'),
    32              ('🍆', 'Eggplant'),
    33              ('🍅', 'Tomato'),
    34              ('🥔', 'Potato'),
    35          ])
    36          | 'Key-Value swap' >> beam.KvSwap()
    37          | beam.Map(print))
    38      # [END kvswap]
    39      if test:
    40        test(plants)