auto save

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
-while True:
+i=3
+    while True:
+        if i>0:
         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 +14,6 @@ while True:
             continue
             continue
         if password != userpassword:
         if password != userpassword:
             print("密码错误!请重新输入") 
             print("密码错误!请重新输入") 
-print("欢迎来到贝尔编程!")
+    else:
\ No newline at end of file
+        print("账号已锁定")
+    print("欢迎来到贝尔编程!")
\ No newline at end of file