save project

diy1.py

@@ -7,9 +7,9 @@ while True:
     if username==name and userpassword==password:# 如果用户输入的账号、密码正确，提示登陆成功
         print("登陆成功")
         break
-    if username != name:
+    elif username != name:
         print("用户名不存在，请重新输入")
         continue
-    if userpassword != password:
+    else userpassword != password:
         print("密码输入错误，请重新输入")  
-print("欢迎来到贝尔编程！")
\ No newline at end of file
+        print("欢迎来到贝尔编程！")
\ No newline at end of file