string = re.split(
' |-|\n|\u00e3|\u2019|\u201c|\u201d|\u2014|\u2018|\u00a9|\u00af|\u00aa|\u00b4|\u00a7|\u00a8',
f.read())
location = 0
for word in string:
word = word.lower()
# Stripping word and removing " ' : ; - _ # + @ ( ) / ? ~ ` [ ] { } =
word = word.strip(
',|!|.|"|;|:|-|_|#|+|@|)|(|/|?|~|`|[|]|{|}|=|\u00e3')
if word not in stopWords: # If word is not a stopword
word = stemmer.stemWord(word) # Stemming
# ========= Building Inverted Index =========
# If the word already exists in the II, Append the word's document number in the II.
# If the word does not exist in the II, add the word as a key and also add the document number.
if word in invertedIndex:
if file.split('.')[0] not in invertedIndex[word]:
invertedIndex[word].append(file.split('.')[0])
else:
invertedIndex[word] = [file.split('.')[0]]
# ========= Building Positional Index =========
# If the word already exists in the PI, Append the word's document number and its position in the PI.
# If the word does not exist in the OI, add the word as a key and also add the document number and the position of the word.
if word in positionalIndex:
if word not in stopWords:
