save project

snake.py

@@ -54,9 +54,11 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    if x == apple_x and y == apple_x:
-        apple_x = randon.randint(0,660)
-        apple_y = randon.randint(0,660)
+    if x == apple_x and y == apple_y:
+        num1 = randon.randint(1,22)
+        num2 = randon.randint(1,16)
+        apple_x = num1*30-30
+        apple_y = num2*30-30
 
     position.pop(0)
     # 将背景图画上去