save project

snake.py

@@ -53,8 +53,10 @@ while True:
     else:
         y += 30
     if x==apple_x and y==apple_y:
-        apple_x and random.randint(0,660)
-        apple_y and random.randint(0,480)
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)
+        apple_x =30*num1-30
+        apple_y =30*num2-30
     position.append((x, y))
     position.pop(0)
     # 将背景图画上去