save project

my_music.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
 
 
-pygame.init()   # 初始化
+pygame.init() 
+  # 初始化
 # 创建窗口
 # 创建窗口
 screen = pygame.display.set_mode((640, 480))
 screen = pygame.display.set_mode((640, 480))
 # 载入图片、资源
 # 载入图片、资源
@@ -32,8 +33,8 @@ while True:
         if event.type == locals.KEYDOWN:
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_UP:
             if event.key == locals.K_UP:
                 volume += 0.1
                 volume += 0.1
-                if volume < 0 or volume==0:
-                    volume = 0
+                if volume > 1 or volume==1:
+                    volume = 1
                 pygame.mixer.music.set_volume(volume)
                 pygame.mixer.music.set_volume(volume)
             if event.key == locals.K_DOWN:
             if event.key == locals.K_DOWN:
                 volume -= 0.1
                 volume -= 0.1