aggiunge esercizio 37

lab37.py

@@ -0,0 +1,27 @@
+class QueueError(Exception):
+    pass
+
+
+class Queue:
+    def __init__(self):
+        self.__queue_list = []
+
+    def put(self, val):
+        self.__queue_list.insert(0, val)
+
+    def get(self):
+        if len(self.__queue_list) < 1:
+            raise QueueError("Errore di coda")
+        return self.__queue_list.pop()
+
+que = Queue()
+
+que.put(1)
+que.put("cane")
+que.put(False)
+
+try:
+    for i in range(4):
+        print(que.get())
+except:
+    print("Errore di coda")