save project

diy2.py

-username = "python"
-userpassword = "123456"
+sa="dzxdzxdzx"
+a="13579"
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+    sas = input("请输入用户名:")
+    aas = input("请输入密码:")
+    if sa == sas and a == aas:
+        print("欢迎来到邓子轩的编程页面!")
+        break
+    if sa!=sas:
+        print("用户名不存在!请重新输入")
+    if a!=aas:
+        print("密码错误!请重新输入")
\ No newline at end of file