save project

diy2.py

+
 username = "python"
 userpassword = "123456"
 while True:
@@ -8,9 +9,8 @@ while True:
         break
     if name !=username:
         print("用户名不存在，请重新输入")
+        continue
     if password !=userpassword:
         print("密码输入错误，请重新输入")
-
     
-    print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
\ No newline at end of file