auto save

snake.py

-import pygame
-from pygame import locals
-# 初始化pygame，为使用pygame做准备
-pygame.init()
-
-
-body=pygame.image.load("body.png")
-apple=pygame.image.load("apple.png")
-right=pygame.image.load("right.png")
-
-# 创建一个窗口
-screen = pygame.display.set_mode((800,600))
-FPS=pygame.time.Clock()
-x,y=210,120
-position=[(180,120),(180,90),(180,60),(x,y)]
-
+i=3
+username="python"
+userpassword="123456"
 while True:
 while True:
-    for event in pygame.event.get():
-        if event.type == locals.QUIT:
-            exit()
-        if event.type == locals.KEYDOWN:
-            if event.type == locals.K_RIGHT and setheading != "left":
-                setheading = 'right'
-                snake_head = right
-            if event.type == locals.K_LEFT and setheading != "right":
-                setheading = 'left'
-                snake_head = left
-            if event.type == locals.K_UP and setheading != "down":
-                setheading = 'up'
-                snake_head = up
-            if event.type == locals.K_DOWN and setheading != "up":
-                setheading = 'down'
-                snake_head = down
-    if aetheading == "right":
-        x += 30      
-    elif aetheading == "left":
-        x += 30  
-    elif aetheading == "up":
-        y += 30      
-    elif aetheading == "down":
-        y += 30  
-    
-    x +=30 
-    position.append((x,y))
-    position.pop(0)
-    for i in range(len(position)-1):
-        screen.bilt(body,position[i])          
-   # screen.bilt(background,(0,0))   
-   # screen.bilt(right,(x,y))
-   # screen.bilt(body,(180,120))
-   # screen.bilt(body,(180,90))
-   # screen.bilt(body,(180,60))
-   # screen.bilt(apple,(30,40))
-    pygame.display.update()
-    FPS.tick(3)
+    if i>0:
+        A=input("输入用户名")
+        B=input("输入密码")
+        i-=1
+        if A==username and B==userpassword:
+            print("登录成功")
+            break
+        else:  
+            if A!=username:
+                print("用户名错误")
+                continue
+            if B!=userpassword:
+                print("密码错误")
+    else:
+        print("账号锁定")
+        exit()
+
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