auto save

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
+i=3
 while True:
 while True:
+    if i > 0:
+        print("你还有{}次输入的机会!".format(i))
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i -= 1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
@@ -11,4 +15,8 @@ while True:
             continue
             continue
         if password != userpassword:
         if password != userpassword:
             print("密码输入错误,请重新输入!")
             print("密码输入错误,请重新输入!")
+      
+    else:
+        print("你的登录次数已经用完,请带身份证到我司解锁!")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file