save project

diy2.py

@@ -6,10 +6,11 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if name!=username：
-    print("用户名错误，请重新输入")
-    if password!=userpassword：
-    print("密码错误，请重新输入")
-    if name!=username and password!=userpassword：
-    print("密码和用户名错误，请重新输入")
+    if name!=username:
+        print("用户名错误，请重新输入")
+    if password!=userpassword:
+        print("密码错误，请重新输入")
+        continue
+    if name!=username and password!=userpassword:
+        print("密码和用户名错误，请重新输入")
 print("欢迎来到贝尔编程!")
\ No newline at end of file