save project

diy1.py

 urename = "python"
 urepassword = "123456"
-name = input("请输入用户名:")
-password = input("请输入密码:")
-if name == urename and password == urepassword:
+while True:
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
+    if name == urename and password == urepassword:
         print("登入成功!")
+        break
+    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