save project

diy1.py

@@ -6,5 +6,10 @@ name=input("您的账号是")
 password=input("您的密码是")
 
 # 如果用户输入的账号、密码正确，提示登陆成功
-if name==username and password==userpassword:
-    print("登陆成功")
\ No newline at end of file
+while True:
+    if name==username and password==userpassword:
+        print("登陆成功")
+        break
+    if name!=username or password!=userpassword:
+        print("登陆失败")
+print("欢迎来到贝尔编程")
\ No newline at end of file