Update calendar.py

calendar.py

@@ -34,7 +34,7 @@ class Calendar:
     
     def show_all_reminders(self):
         """Show all past and future reminders in our calendar app"""
-        if self.reminders is None:
+        if (self.reminders is None) or len(self.reminders)<1:
             print("No reminders in calendar app. Please create an event reminder to start using the app.")
         else:
             print("#  Date    Event Description")
@@ -44,7 +44,7 @@ class Calendar:
     
     def show_future_reminders(self):
         """Show all future reminders in our calendar app"""
-        if self.reminders is None:
+        if (self.reminders is None) or len(self.reminders)<1:
             print("No future reminders in calendar app. Please create a future event reminder.")
         else:
             current_datetime = datetime.now()