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https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.intersect?view=netframework-4.7.2
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https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.join?view=netframework-4.7.2
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https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.last?view=netframework-4.7.2
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https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.lastordefault?view=netframework-4.7.2
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https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.defaultifempty?view=netframework-4.7.2
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https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.distinct?view=netframework-4.7.2
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https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.oftype?view=netframework-4.7.2
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https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.orderby?view=netframework-4.7.2
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https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.orderbydescending?view=netframework-4.7.2
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https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.prepend?view=netframework-4.7.2