import mechanize
## WITH SOME ADVICE FROM @MATTHEWVEEN

br = mechanize.Browser()
br.set_handle_robots(False)
response = br.open("http://WEBSITENAME.co.uk/")

for link in br.links():
    print (link)
    print response.geturl()
    #if it's an internal link
    if 'WEBSITENAME' in link.url:
        br.follow_link(link)  # takes EITHER Link instance OR keyword args
        print(br)
        br.back()
        
print br.title()
print br.links()
print (link.url)

print response.geturl()