save project

www.py

+username="python"
+userpassword="123456"
+while True:
+    name=input("请输入")
+    password=input("密码")
+    if name==username and password==userpassword:
+        print("成功")
+        break
+        print("错误")
+print("欢迎")
\ No newline at end of file