save project

diy2.py

@@ -6,8 +6,8 @@ while True:
     if name==username and password==userpassword:
     if name==username and password==userpassword:
         print("登陆成功")
         print("登陆成功")
         break
         break
-    if name !=username:
+    if name != username:
         print("用户名不存在,请从新输入")
         print("用户名不存在,请从新输入")
-    if password !=userpassword:
-        print("用户名和密码错误!请从新输入")
+    if password != userpassword:
+        print("密码错误!请从新输入")
 print("欢迎来到贝尔编程！")
 print("欢迎来到贝尔编程！")
\ No newline at end of file