aggiunge esercizio 36

lab36.py

@@ -0,0 +1,32 @@
+class Stack:
+    def __init__(self):
+        self.__stack_list = []
+
+    def push(self, val):
+        self.__stack_list.append(val)
+
+    def pop(self):
+        val = self.__stack_list[-1]
+        del self.__stack_list[-1]
+        return val
+
+class CountingStack(Stack):
+    def __init__(self):
+        Stack.__init__(self)
+        self.__j = 0
+
+    def get_counter(self):
+        return self.__j 
+
+    def pop(self):
+        self.__j += 1
+        return Stack.pop(self)
+
+
+stk = CountingStack()
+
+for i in range(100):
+    stk.push(i)
+    stk.pop()
+
+print(stk.get_counter())