Hi I am trying to make this code run through a new proxy ip each time it runs (ideally using a .txt list of proxies, I know they have to be http). How would I go about doing that, thanks! (also I am willing to buy actual http proxies in order for this to work if thats what I have to do. I just want to the code to work, so far it hasn't).

running vista, python 2.7 and mechanize

Code:
#!/usr/bin/python

import mechanize
...