print ""
print "CS101 unit2-30"
print "Print all the links on a page"
print "- Solution: https://w...content-available-to-author-only...y.com/course/viewer#!/c-cs101/l-48753036/e-48727558/m-48683657"
 
print "My forum posts regarding this"
print "http://p...content-available-to-author-only...m.org/viewtopic.php?f=6&t=2699"
print "https://f...content-available-to-author-only...y.com/questions/100051898/help-me-debug-typeerror-unpack-non-sequence#cs101"
 
def print_all_links(page):
        while True:
            url, end_quote = get_next_target(page)
            if url:
                print url
                page = page[end_quote:]
            else:
                break
 
def get_next_target(page):
    start_link = page.find('<a href=')
    start_quote = page.find('"', start_link)
    #http = page.find('http', start_link)
    #www =  page.find('www', start_link)
    end_quote = page.find('"', start_quote + 1)
    url = page[start_quote + 1: end_quote]
    return url, end_quote
 
print "Test #1, Multiple Links"
print_all_links('this is a <a href="http://l...content-available-to-author-only...1.com">link</a>, this is a <a href="http://l...content-available-to-author-only...2.com">link</a>, this is a <a href="http://l...content-available-to-author-only...3.com">link</a>')
 
 

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