Macro to alternate row color based on values in column A

Does anyone know of a simple Macro to alternate the row colour in Excel when the value in column A changes?

The attached file shows an example of what I want to achieve.
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NorieAnalyst Assistant Commented:
No file attached I'm afraid.
HKFueyAuthor Commented:
Screen Shot
Rob HensonFinance AnalystCommented:
You don't need VBA for that, you can use Conditional Formatting.

Insert a spare column in column A and enter the following formula, starting at row 2 and copy down as required:


This will then number each set of rows with 1 or 0. You can then use the 1 or 0 as a check value for Conditional Formatting.

See attached.

Column A can then be hidden if required.

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HKFueyAuthor Commented:
In the absence of any other solutions, you get the points!

I used some SQL to add a formatting column to the data output, then conditional formatting.
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