save project

snake.py

@@ -56,9 +56,12 @@ while True:
 
     position.append((x, y))
     if x==apple_x and y==apple_y:
-        apple_x=random.randint(0,660)
-        apple_y=random.randint(0,480)
-    position.pop(0)
+        num=random.randint(0,21)
+        num1=random.randint(0,15)
+        apple_x=num*30
+        apple_y=num1*30
+    else:
+        position.pop(0)
     
 
     # 将背景图画上去