can a wordpress website coding reaten in Notepad++?

[malumaat pk]

Hello every body. I want to write a wordpress website code in notepad++. So, please guide me how can i do and also it is safe? i want to change some coding of website. So, how can i copy code in notepad++ and also how can i insert that code in wordpress.
https://www.malumaat.pk/prize-bond-list
This is url of web

Thanks

[Alan Kilborn]

@malumaat-pk

See HERE