order handling

server.py

@@ -87,7 +87,9 @@ def handle_message(msg):
         if state == "OLD":
             if msg.upper() == "PKUP":
                 if user in orders:
-                    return orders_to_string(user) + "\nOrder picked up, you may close the connection."
+                    order = orders_to_string(user)
+                    orders.pop(user)
+                    return order + "\nOrder picked up, you may close the connection."
                 else:
                     return "You don't have any orders to pick up. Please close the connection."
             else: