save project

diy2.py

@@ -6,9 +6,10 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if name!=username
+    if name!=username:
         print("用户名输入错误")
-    if  password!=userpassword
+        continue
+    if  password!=userpassword:
         print("密码输入错误")
-    print("用户名和密码错误!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