save project

diy2.py

@@ -3,9 +3,13 @@ userpassword = "123456"
 while True:
 while True:
     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:")
-    if name == username and password == userpassword:
+    if name == username == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
+        print("用户名错误!请重新输入")
+    if passward == pastward ==usepassward:
+        print("登陆成功")
+        break
+        print("密码错误!请重新输入")
         
         
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+   
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