May be you just wanted to test if deleting your YouTube account actually works and in the process ended up deleting your YouTube account in real! Well even if you deleted your account for any other reason there’s nothing to worry as getting your deleted YouTube account is quite an easy process.
I’ve already mentioned how you can Reopen your YouTube Account. Follow the steps mentioned in the post and comment on this post or the original post if you have any concern or difficulty regarding reopening the account and I’ll try and help you to the best of my knowledge.
Cheers!