I can't believe everyone who posted just simply got it wrong!!!!
Here's your 'sentence':
Help punctuating this sentence please?
First, you need a subject, thus:
[I] need help punctuating this sentence please?
The finished product:
Then, you need to put a period at the end of 'sentence'. And THEN, you need to whine a bit. Here's the finished sentence, which now comprises two sentences:
I need help punctuating this sentence. Please?
I would be happy to share author credit with this piece of work, which I spent hours working on. Please?

