save project

diy2.py

 username="python"
 username="python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 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!)
+    if i>0
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
\ No newline at end of file
+            break
+        if name != username:
+            print("用户名和密码错误!请重新输入")
+            continue
+        if  password != userpassword:
+            print("用户名和密码错误!请重新输入")   
+    else:
+        
+        print("帐号已锁定,请用身份证再试,谢谢！")
\ No newline at end of file