auto save

.vscode/settings.json

+{
+    "python.testing.unittestArgs": [
+        "-v",
+        "-s",
+        ".",
+        "-p",
+        "*_test.py"
+    ],
+    "python.testing.pytestEnabled": false,
+    "python.testing.nosetestsEnabled": false,
+    "python.testing.unittestEnabled": true
+}
\ No newline at end of file

snake.py

+import pygame
+
+# 初始化pygame，为使用pygame做准备
+pygame.init()
+
+# 创建一个窗口
+while.true:
+    screen=pygame.display.set_mode((660,480))
+    for i in range:
+        pygame.event.get(event.type)
+        if event.type==locals.QUIT:
+            exit()
\ No newline at end of file