I've been on hackthissite before, years ago. I think I got into the 20s eventually. It's a little easier due to it not being based around Python libraries.
Quote: "i did 0, but am stuck on 1"
Mson, look at the pattern given in the image and apply it to the rest of the characters.
Quote: "how can u do the first one?"
It gives you the answer right in the image. Each page gives you clues to the name of the next page. When you have it, just change the name of the page in the url.
http://www.pythonchallenge.com/pc/def/0.html
becomes
http://www.pythonchallenge.com/pc/def/myAnswer.html
First one should be simple if you know basic math

"Any sufficiently advanced technology is indistinguishable from magic" ~ Arthur C. Clarke