save project

diy1.py

 username = "python"   
 username = "python"   
-userpassword = "123456"#            
-name=input("请输入用户账号：")
-password=input("请输入用户密码：")
-if name == username and password == userpassword: 
+userpassword = "123456"# 
+while True:           
+    name=input("请输入用户账号：")
+    password=input("请输入用户密码：")
+    if name == username and password == userpassword: 
         print("登陆成功")
         print("登陆成功")
         break
         break
-    print("SB，这都输错")
+    if name!=username:
+        print("SB,账号错了")
+    if password!=userpassword:
+        print("SB,密码错了")
 print("欢迎来到SB编程")
 print("欢迎来到SB编程")