save project

diy.py

 username = "python"
 userpassword="123456"
-
-
-shuruname =input("请输入用户名：")
-shurpwd = input("请输入密码：")
-
-
-
-if(shuruname == username and shuruname == userpassword)
+while True:
+    shuruname =input("请输入用户名：")
+    shurpwd = input("请输入密码：")
+    if shuruname == username and shuruname == userpassword
     print("登录成功！")
 else：
-    print("密码错误！")
\ No newline at end of file
+    print("密码错误！")
+