Converted string to f string.

dg_clt/menus.py

@@ -11,9 +11,10 @@ class Menu:
     def display(self):
         clear()
         print(self.title)
-        print('-' * len(self.title) + '\n')
+        print(f'{'-' * len(self.title)}\n')
         for key, value in self.menu_items.items():
             if key:
                 print(f'{key}: {value}')
             else:
                 print()
+        print(f'\n{self.selection}')