modified a bit

main.py

@@ -22,8 +22,7 @@ class Main:
     @classmethod
     def main (cls, argv: list, argc: int) -> None:
         mode = Mode.NIZIKA
-        if argc > 0:
+        match (argc > 0) and argv[0]:
-            match argv[0]:
             case '-g':
                 mode = Mode.GOATOH
 
@@ -33,7 +32,7 @@ class Main:
         goatoh_mode = mode == Mode.GOATOH
         double_mode = mode == Mode.DOUBLE
 
-        print (goatoh_mode)
+        print (mode)
 
         pygame.init ()
         screen: pygame.Surface = pygame.display.set_mode ((1024, 768))