TheNeuralBit commented on a change in pull request #16099:
URL: https://github.com/apache/beam/pull/16099#discussion_r770131398
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File path: sdks/python/apache_beam/transforms/util.py
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@@ -110,25 +110,29 @@ class CoGroupByKey(PTransform):
...],
'tag2': ... ,
... })
+
+ where `[]` refers to an iterable, not a list.
For example, given::
{'tag1': pc1, 'tag2': pc2, 333: pc3}
where::
- pc1 = [(k1, v1)]
- pc2 = []
- pc3 = [(k1, v31), (k1, v32), (k2, v33)]
+ pc1 = beam.Create([(k1, v1)]))
+ pc2 = beam.Create([])
+ pc3 = beam.Create([(k1, v31), (k1, v32), (k2, v33)])
- The output PCollection would be::
+ The output PCollection would consists of items::
Review comment:
nit:
```suggestion
The output PCollection would consist of items::
```
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