Project A A | Python Fiddle

'''
# Define a procedure, add_to_index,
# that takes 3 inputs:

# - an index: [[<keyword>,[<url>,...]],...]
# - a keyword: String
# - a url: String

# If the keyword is already
# in the index, add the url
# to the list of urls associated
# with that keyword.

# If the keyword is not in the index,
# add an entry to the index: [keyword,[url]]

index = []

def add_to_index(index,keyword,url):

new_list = [keyword, [url]]

# If the keyword is already
# in the index, add the url
# to the list of urls associated
# with that keyword.

if keyword in index:
        #append to position of [keyword] + 1?
        index[index.index(keyword)][0] + url

# If the keyword is not in the index,
# add an entry to the index: [keyword,[url]]
    if keyword not in index:
        index.append(new_list)

add_to_index(index,'udacity','http://udacity.com')
add_to_index(index,'computing','http://acm.org')
add_to_index(index,'udacity','http://npr.org')
print index
#>>> [['udacity', ['http://udacity.com', 'http://npr.org']], 
#>>> ['computing', ['http://acm.org']]]

'''
print 'hello world'

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