How to merge features in Python

[JoseSanchez]

Hello,

How can I merge all the features inside a polygon feature class that have for example the same ID value.

I need to merge all polygons inside a feature class that are related to a specific project 9Poeject Id = 10

[DanPatterson_Retired · Accepted solution]

Dissolve—Data Management toolbox | ArcGIS Desktop 

see the code sample