def geoProcessing(database):
        ap.env.workspace = database
        datasets = ap.ListDatasets("*", feature_type="Feature")
        for dataset in datasets:
            for fc in ap.ListFeatureClasses(feature_dataset=dataset):
                do stuff…..

def geoProcessing(database):
        ap.env.workspace = database
        datasets = ap.ListDatasets("*", feature_type="Feature")
        for dataset in datasets:
            for fc in ap.ListFeatureClasses(
                         feature_type="Polygon",feature_dataset=dataset):
                do stuff…..