save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
+    a= input("请输入用户名:")
+    b = input("请输入密码:")
+    if a == username and b == userpassword:
         print("登录成功!")
         print("登录成功!")
-    else:
-        print("重新输入")
+    if a!=username:
+        print('账号错')
+    if b!=userpassword:
+        print('密码错')
+
     break
     break
 print('欢迎')
 print('欢迎')
+
+