save project

diy2.py

-username = "python"
+username = "py"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
@@ -6,6 +6,8 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-    else:
-        print("用户名和密码错误!请重新输入")
+    if name != username:
+        print("用户名错")
+    if password != userpassword:
+        print("密码错")   
 print("欢迎来到贝尔编程")
 print("欢迎来到贝尔编程")