save project

diy2.py

 username = "wx410421"
 username = "wx410421"
-userpassword = "640202198609040037"
+userpassword = "1234567890"
 while True:
 while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
     password = input("请输入密码:")
     password = input("请输入密码:")
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-
-    if name != username
-    print("用户名和密码错误!请重新输入")
+    if name != username:
+        print("用户名不存在!请重新输入！")
+    if password != userpassword:
+        print("用户密码错误!请重新输入！")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file