save project

bug.py

 username="pythan"
 username="pythan"
 userpassword="123456"
 userpassword="123456"
-name = input("输入账号")
-password = input("输入密码")
-if name==username and password==userpassword: 
-    print("登陆成功")
+while True:
+  name = input("输入账号")
+   password = input("输入密码")
+   if name==username and password==userpassword: 
\ No newline at end of file
+     print("登陆成功")
+     break
+  print("账号或密码错误，请重试")
+print("欢迎来到天水二院")