> the 'open("slope.txt","wb")' part but when I change "wb" to
You want append('a') mode and you don't want binary mode('b')
- you're writing strings after all!
thus:
open("slope.txt","a")
Beware of eventually filling your disk with an enormous file
tho... Maybe you want to create a new file every day/month/year
etc? That way you can archive the old one...
Alan G.