auto save

my_music.py

-import pygame
-from pygame import locals
-
-pygame.init()   # 初始化
-# 创建窗口
-screen = pygame.display.set_mode((640, 480))
-# 载入图片、资源
-bg_img = pygame.image.load('background.png')  # 背景图
-play_img = pygame.image.load('play.png')  # 播放按钮
-stop_img = pygame.image.load('stop.png')  # 暂停按钮
-last_img = pygame.image.load('last.png')  # 上一曲按钮
-next_img = pygame.image.load('next.png')  # 下一曲按钮
-logo_img = pygame.image.load('logo.png')  # 中间logo
-
-while True:
-    for event in pygame.event.get():
-        ????
-
-    # 绘制画面
-    screen.blit(bg_img, (0, 0))      # 填充背景
-    screen.blit(stop_img, (270, 330))   # 暂停按钮
-    screen.blit(logo_img, (170, 60))    # 中间logo图
-    screen.blit(last_img, (120, 350))   # 上一曲
-    screen.blit(next_img, (420, 350))   # 下一曲
-    # 刷新画面
-    ???
+for i in range(4):
+    pass
+
+
+#  2 8 16 box 进制转换 十进制转2 8 16
+
+
+# 数据交换
+
+# a=1
+# b=2
+# a,b=b,a
+
+#print(a,b)
+
+#冒泡排序
+
+# d=[1,6,2,4,3]
+# for i in range(4): 
+#     for i in range(4-i): 
+#         if d[i]<d[i+1]:
+#             d[i],d[i+1]=d[i+1],d[i]
+# a='你好'
+# #去除引号
+# eval("print(a)")
+# # 不换行
+# print("aa",end="   ")
+# print("aa")
+# c=1.23556
+# print(round(c,2)) #四舍五入
+
+# print(ord('a'))#字符转编码
+
+# print(chr(97))#编码转字符
+
+# # 去除两侧指定字符
+# print('baaaab'.strip('b'))
+
+
+# 异常处理
+# try:
+#     aa=input("请输入")
+#     print(aa/2)
+# except:
+#     print("请输入数字")
+
+
+# 数据转换
+
+# s1="abdcccsadaas"
+# print(s1.split())  #['abdcccsadaas']
+# print(tuple(s1))  #('a', 'b', 'd', 'c', 'c', 'c', 's', 'a', 'd', 'a', 'a', 's')
+# print(set(s1))  #{'a', 'c', 's', 'b', 'd'}
+
+#a=['a','b','c','d','e','f']
+#for i in a:
+    #print(i)
+
+# b={"a":"b","a1":"b1","a2":"b2"}
+# for i in b.keys():
+#     print(i,b[i])
+# for i in b.values():
+#     print(i)
+# for k,v in b.items():
+#     print(k,v)
+
+
+
+
+
+
+
+
+
+# for i in range(15,10,-2):
+#     print(i)
+
+
+#time
+
+
+a,b,c,d=1,2,3,4
+def aaa(a,b):
+    return b,a
+
+c,d=aaa(a,b)
+
+print(a,b)
+
+
+
+a1=1
+a2=1
+a3=0
+
+for i in range(3,6):
+    a3=a1+a2
+    a2=a3
+    a1=a2
+print(a3)
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