The odd-even integer example obfuscates the article

### Type of issue

Other (describe below)

### Description

Ineffective example presented before an adequate explanation of functionalit y.

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### Page URL

https://learn.microsoft.com/en-us/dotnet/csharp/linq/standard-query-operators/grouping-data

### Content source URL

https://github.com/dotnet/docs/blob/main/docs/csharp/linq/standard-query-operators/grouping-data.md

### Document Version Independent Id

6a93a042-3dc5-7e82-a325-8937c72e46c2

### Article author

@BillWagner

### Metadata

* ID: 9cf476b1-17c4-9405-196a-6e26b15248e8
* Service: **dotnet-csharp**
* Sub-service: **csharp-linq**

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