add cs253 certificate
initial commit
find first URL on page
improve variable names
add method printAllLinks()
fix print_all_links by adding check in get_next_target for -1 returned by a search for '<a href='
cleanup unnecessary text
to getpage() and crawl(seed) to crawl URLs beginning with a seed URL
cleanup crawl. add check for previously crawled pages after pop
inital commit. my answer. passes all tests.
added class answer as check_sudoku_answer()
add unit 1 notes
add index.py and pythonFundamentals.py
use set operation union instead of appending to prevent duplicate entries
add index logic and organize a bit
add exception handling to get_page()
add split_string() function to handle multiple separator characters
modify index structure to include number of times a link has been clicked (will use for ranking pages later)
simplify record_user_click() using lookup()
add execution timer and big index tests