save project

diy2.py

-username = "python"
-userpassword = "123456"
+A = "python"
+B = "123456"
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
+    C = input("请输入用户名:")
+    D = 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!")
-    print("用户名和密码错误!请重新输入")
+    if A = C:
+    print("NO1")
+    if B = D:
+    print("NO2")
+
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file