TR updates, first round

Author: lpozo

python-closure/app.py

@@ -2,7 +2,7 @@
 
 app = tk.Tk()
 app.title("GUI App")
-app.geometry("200x60")
+app.geometry("320x240")
 
 label = tk.Label(app, font=("Helvetica", 16, "bold"))
 label.pack()

python-closure/stack_class.py python-closure/stack_v1.pypython-closure/stack_class.py renamed to python-closure/stack_v1.py

@@ -13,3 +13,13 @@ def closure():
     closure.push = push
     closure.pop = pop
     return closure
+
+
+stack = Stack()
+stack.push(1)
+stack.push(2)
+stack.push(3)
+
+stack.pop()
+
+stack._items