save project

diy2.py

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