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So I'm looking to write a script that can be called by model builder. What I would like this script to do is to select three records from a feature class that have the highest field values ('AverageGasPrice'). Basically, I want the script to select the three most expensive gas prices. I am not sure where to start, however.

Is there also a way to have the model launch and allow the user to enter which Feature Class they would like to specify as the input FC? If this is not possible, I will also require assistance with how to 'hardcode' the input file using relative path (everything will be stored in one file geodatabase).

Thanks for the help!

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you can select specific features with search cursors

http://help.arcgis.com/de/arcgisdesktop/10.0/help/index.html#//000v00000039000000

and you can specifiy the input with GetParameterAsText

http://help.arcgis.com/de/arcgisdesktop/10.0/help/index.html#//000v00000014000000

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