Update README.md

Author: chuongmep

README.md

@@ -97,10 +97,6 @@ ed.WriteMessage("Hello")
 
 ```py
 import clr
-import sys
-sys.path.append('C:\Program Files (x86)\IronPython 2.7\Lib')
-import os
-import math
 clr.AddReference('acmgd')
 clr.AddReference('acdbmgd')
 clr.AddReference('accoremgd')
@@ -110,17 +106,11 @@ from Autodesk.AutoCAD.ApplicationServices import *
 from Autodesk.AutoCAD.EditorInput import *
 from Autodesk.AutoCAD.DatabaseServices import *
 from Autodesk.AutoCAD.Geometry import *
-adoc = Application.DocumentManager.MdiActiveDocument
-ed = adoc.Editor
-with adoc.LockDocument():
-	with adoc.Database as db:
-		with db.TransactionManager.StartTransaction() as t:
-  			bt = t.GetObject(db.BlockTableId, OpenMode.ForWrite)
-  			btr = t.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite)
-  			for objectid in btr:
-				obj1 = t.GetObject(objectid, OpenMode.ForRead)
-				print(obj1)
-ed.WriteMessage("Done")
+doc = Application.DocumentManager.MdiActiveDocument
+ed = doc.Editor
+db = doc.Database
+# Write Code Below
+Application.ShowAlertDialog("Hello World!")
 ```
 ![](Images/getobject.png)