save project

snake.py

@@ -57,9 +57,9 @@ while True:
         y += 30
     position.append((x, y))
     position.pop(0)
-    if x=h_x and y=h_y:
-        h_x=random.randint(0,480)
-        h_y=random.randint(0,660)
+    if x==h_x and y==h_y:
+        h_x=random.randint(0,660)
+        h_y=random.randint(0,480)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去