save project

diy2.py

@@ -6,6 +6,11 @@ while True :
     # 请用input()实现用户输入账号、密码的功能
     # 请用input()实现用户输入账号、密码的功能
     if name==username and password==userpassword:
     if name==username and password==userpassword:
         break
         break
-        print("fail to login")
+    if name != username:
+        print("invaid username")
+    if password != userpassword:
+        print("invaid password")
+    if name != username and password != userpassword:
+        print ("invaid password and username")
 print("sucess")
 print("sucess")
 # 如果用户输入的账号、密码正确，提示登陆成功
 # 如果用户输入的账号、密码正确，提示登陆成功
\ No newline at end of file