save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
-name=input("你的帐号是什么？")
-password=input("你的密码是什么？")
-if name==username and password==userpassword:
-    print("登录成功")
+while True:
+    name=input("你的帐号是什么？")
+    password=input("你的密码是什么？")
+    if name==username and password==userpassword:
\ No newline at end of file
+        print("登录成功")
+        break
+    print("请重新输入")
+print("欢迎进入")
\ No newline at end of file