+
+# ====================================
+# Various methods of the Group object
+# ====================================
+
+aGroup = mesh.CreateEmptyGroup(SMESH.NODE, "aGroup")
+
+# set/get group name
+aGroup.SetName( "new name" )
+print "name", aGroup.GetName()
+
+# get group type (type of entities in the group, SMESH.NODE in our case)
+print "type", aGroup.GetType()
+
+# get number of entities (nodes in our case) in the group
+print "size", aGroup.Size()
+
+# check of emptiness
+print "is empty", aGroup.IsEmpty()
+
+# check of presence of an entity in the group
+aGroup.Add([1,2]) # method specific to the standalone group
+print "contains node 2", aGroup.Contains(2)
+
+# get an entity by index
+print "1st node", aGroup.GetID(1)
+
+# get all entities
+print "all", aGroup.GetIDs()
+
+# get number of nodes (actual for groups of elements)
+print "nb nodes", aGroup.GetNumberOfNodes()
+
+# get underlying nodes (actual for groups of elements)
+print "nodes", aGroup.GetNodeIDs()
+
+# set/get color
+import SALOMEDS
+aGroup.SetColor( SALOMEDS.Color(1.,1.,0.));
+print "color", aGroup.GetColor()
+
+# ----------------------------------------------------------------------------
+# methods specific to the standalone group and not present in GroupOnGeometry
+# and GroupOnFilter
+# ----------------------------------------------------------------------------
+
+# clear the group's contents
+aGroup.Clear()
+
+# add contents of other object (group, sub-mesh, filter)
+aGroup.AddFrom( aGroup2 )
+
+# removes entities
+aGroup.Remove( [2,3,4] )
+
+
+
+
