save project

diy1.py

-    
+
 username="python"
 username="python"
 userpassword="123456"
 userpassword="123456"
-name=input("请输入账号名：")
-password=input("请输入密码：")
-if name== username and  password== userpassword:
-    print("登陆成功")
+while True:
+    name=input("请输入账号名：")
+    password=input("请输入密码：")
+    if name== username and  password== userpassword:
\ No newline at end of file
+        print("登陆成功")
+        break 
+    print("请重新登陆")
+print("欢迎来到贝尔编程！") 
\ No newline at end of file