sunhangqi
diff --git a/‎multiprocessing/multiprocessing3_queue.py ‎multiprocessingTUT/multiprocessing3_queue.py b/‎multiprocessing/multiprocessing3_queue.py ‎multiprocessingTUT/multiprocessing3_queue.py
diff --git a/‎multiprocessing/multiprocessing4_efficiency_comparison.py ‎multiprocessingTUT/multiprocessing4_efficiency_comparison.py b/‎multiprocessing/multiprocessing4_efficiency_comparison.py ‎multiprocessingTUT/multiprocessing4_efficiency_comparison.py
diff --git a/‎multiprocessing/multiprocessing5_pool.py ‎multiprocessingTUT/multiprocessing5_pool.py b/‎multiprocessing/multiprocessing5_pool.py ‎multiprocessingTUT/multiprocessing5_pool.py
diff --git a/‎multiprocessing/multiprocessing7_lock.py ‎multiprocessingTUT/multiprocessing7_lock.py b/‎multiprocessing/multiprocessing7_lock.py ‎multiprocessingTUT/multiprocessing7_lock.py
diff --git a/‎tensorflow/tensorflow10_def_add_layer.py ‎tensorflowTUT/tensorflow10_def_add_layer.py b/‎tensorflow/tensorflow10_def_add_layer.py ‎tensorflowTUT/tensorflow10_def_add_layer.py
diff --git a/‎tensorflow/tensorflow11_build_network.py ‎tensorflowTUT/tensorflow11_build_network.py b/‎tensorflow/tensorflow11_build_network.py ‎tensorflowTUT/tensorflow11_build_network.py
diff --git a/‎tensorflow/tensorflow12_plut_result.py ‎tensorflowTUT/tensorflow12_plut_result.py b/‎tensorflow/tensorflow12_plut_result.py ‎tensorflowTUT/tensorflow12_plut_result.py
diff --git a/‎tensorflow/tensorflow4_example2.py ‎tensorflowTUT/tensorflow4_example2.py b/‎tensorflow/tensorflow4_example2.py ‎tensorflowTUT/tensorflow4_example2.py
diff --git a/‎tensorflow/tensorflow6_session.py ‎tensorflowTUT/tensorflow6_session.py b/‎tensorflow/tensorflow6_session.py ‎tensorflowTUT/tensorflow6_session.py
diff --git a/‎tensorflow/tensorflow7_variable.py ‎tensorflowTUT/tensorflow7_variable.py b/‎tensorflow/tensorflow7_variable.py ‎tensorflowTUT/tensorflow7_variable.py
diff --git a/‎tensorflow/tensorflow8_feeds.py ‎tensorflowTUT/tensorflow8_feeds.py b/‎tensorflow/tensorflow8_feeds.py ‎tensorflowTUT/tensorflow8_feeds.py
diff --git a/‎threading/thread2_add_thread.py ‎threadingTUT/thread2_add_thread.py b/‎threading/thread2_add_thread.py ‎threadingTUT/thread2_add_thread.py
diff --git a/‎threading/thread3_join.py ‎threadingTUT/thread3_join.py b/‎threading/thread3_join.py ‎threadingTUT/thread3_join.py
diff --git a/‎threading/thread4_queue.py ‎threadingTUT/thread4_queue.py b/‎threading/thread4_queue.py ‎threadingTUT/thread4_queue.py
diff --git a/‎threading/thread5_GIL.py ‎threadingTUT/thread5_GIL.py b/‎threading/thread5_GIL.py ‎threadingTUT/thread5_GIL.py
diff --git a/‎threading/thread6_lock.py ‎threadingTUT/thread6_lock.py b/‎threading/thread6_lock.py ‎threadingTUT/thread6_lock.py
diff --git a/‎tkinterTUT/tk2_label_button.py
+28 b/‎tkinterTUT/tk2_label_button.py
+28
@@ -0,0 +1,28 @@
+import tkinter as tk
+
+window = tk.Tk()
+window.title('my window')
+window.geometry('200x100')
+
+var = tk.StringVar()
+l = tk.Label(window, textvariable=var, bg='green', font=('Arial', 12), width=15,
+             height=2)
+#l = tk.Label(root, text='OMG! this is TK!', bg='green', font=('Arial', 12), width=15, height=2)
+l.pack()
+
+on_hit = False
+def hit_me():
+    global on_hit
+    if on_hit == False:
+        on_hit = True
+        var.set('you hit me')
+    else:
+        on_hit = False
+        var.set('')
+
+b = tk.Button(window, text='hit me', width=15,
+              height=2, command=hit_me)
+b.pack()
+
+
+window.mainloop()