save project

diy2.py

@@ -6,9 +6,11 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if came !=username:
+elif expression:
+    pass came !=username:
         print(54188)
     print("用户名和密码错误!请重新输入")
-        if password != userpassword
+else:
+    pass    
     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