var engine = Python.CreateEngine();
engine.Execute("from System import *");
engine.Runtime.Globals.SetVariable("property_value", "TB Test");
engine.Runtime.Globals.SetVariable("result", true);

var sourceScope = engine.CreateScriptSourceFromString("result = property_value != None and len(property_value) >= 3");
sourceScope.Execute();

bool result = engine.Runtime.Globals.GetVariable("result");

engine.Runtime.Shutdown();

global name 'property_value' is not defined

sourceScope.Engine.Runtime.Globals.ContainsVariable("property_value")

var engine = Python.CreateEngine();
        var scope = engine.CreateScope();
        scope.SetVariable("foo", 42);
        engine.Execute("print foo; bar=foo+11", scope);
        Console.WriteLine(scope.GetVariable("bar"));

var engine = Python.CreateEngine();
engine.GetBuiltinModule().SetVariable("foo", 42);