auto save

diy2.py

 username = "zsw"
 username = "zsw"
 userpassword = "123456"
 userpassword = "123456"
+i=3
 while True:    
 while True:    
+    if i>0:   
         a = input("请输入用户名:")
         a = input("请输入用户名:")
         b = input("请输入密码:")
         b = input("请输入密码:")
+        i=i-1
         if a == username and b == userpassword:
         if a == username and b == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
@@ -11,4 +14,8 @@ while True:
             continue
             continue
         if userpassword!=b:
         if userpassword!=b:
             print("密码错误!请重新输入")
             print("密码错误!请重新输入")
+            
+    else:
+        print("账户被锁定")
+        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