auto save

diy2.py

 username = "python"
 userpassword = "123456"
+i=3
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+    if i<0:
+        name = input(username)
+        password = input(userpassword)
+        i-=1
+        if name = "username" and password = "userpassword":
+            print("登录成功!")
+        break    
+        elif name!=username:
+            print("用户名错误!请重新输入")
+        else:
+            print("密码错误,请重新输入")
+    else:
+        password!=userpassword>3
+        print("你的账户已锁定,规范与规范VG法规")