save project

diy1.py

 username="python"
 usernameword="123456"
-name=input("输入账户名:")
-password=input("请输入密码：")
-if name==username and password==usernameword:
-    print("登入成功？")
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+while True
+    name=input("输入账户名:")
+    password=input("请输入密码：")
+    if name==username and password==usernameword:
+        print("登入成功？")
+        break
+    print("用户和密码错误、请从输入")
+print("欢迎来到编程")
\ No newline at end of file