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Last active Aug 10, 2020
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import re
# Lowercasing the text
training_corpus['cleaned']=training_corpus['body'].apply(lambda x:x.lower())
testing_corpus['cleaned']=testing_corpus['body'].apply(lambda x:x.lower())
# Dictionary of english Contractions
contractions_dict = { "ain't": "are not","'s":" is","aren't": "are not","can't": "can not","can't've": "cannot have",
"'cause": "because","could've": "could have","couldn't": "could not","couldn't've": "could not have",
"didn't": "did not","doesn't": "does not","don't": "do not","hadn't": "had not","hadn't've": "had not have",
"hasn't": "has not","haven't": "have not","he'd": "he would","he'd've": "he would have","he'll": "he will",
"he'll've": "he will have","how'd": "how did","how'd'y": "how do you","how'll": "how will","i'd": "i would",
"i'd've": "i would have","i'll": "i will","i'll've": "i will have","i'm": "i am","i've": "i have",
"isn't": "is not","it'd": "it would","it'd've": "it would have","it'll": "it will","it'll've": "it will have",
"let's": "let us","ma'am": "madam","mayn't": "may not","might've": "might have","mightn't": "might not",
"mightn't've": "might not have","must've": "must have","mustn't": "must not","mustn't've": "must not have",
"needn't": "need not","needn't've": "need not have","o'clock": "of the clock","oughtn't": "ought not",
"oughtn't've": "ought not have","shan't": "shall not","sha'n't": "shall not",
"shan't've": "shall not have","she'd": "she would","she'd've": "she would have","she'll": "she will",
"she'll've": "she will have","should've": "should have","shouldn't": "should not",
"shouldn't've": "should not have","so've": "so have","that'd": "that would","that'd've": "that would have",
"there'd": "there would","there'd've": "there would have",
"they'd": "they would","they'd've": "they would have","they'll": "they will","they'll've": "they will have",
"they're": "they are","they've": "they have","to've": "to have","wasn't": "was not","we'd": "we would",
"we'd've": "we would have","we'll": "we will","we'll've": "we will have","we're": "we are","we've": "we have",
"weren't": "were not","what'll": "what will","what'll've": "what will have","what're": "what are",
"what've": "what have","when've": "when have","where'd": "where did",
"where've": "where have","who'll": "who will","who'll've": "who will have","who've": "who have",
"why've": "why have","will've": "will have","won't": "will not","won't've": "will not have",
"would've": "would have","wouldn't": "would not","wouldn't've": "would not have","y'all": "you all",
"y'all'd": "you all would","y'all'd've": "you all would have","y'all're": "you all are","y'all've": "you all have",
"you'd": "you would","you'd've": "you would have","you'll": "you will","you'll've": "you will have",
"you're": "you are","you've": "you have"}
# Regular expression for finding contractions
contractions_re=re.compile('(%s)' % '|'.join(contractions_dict.keys()))
# Function for expanding contractions
def expand_contractions(text,contractions_dict=contractions_dict):
def replace(match):
return contractions_dict[]
return contractions_re.sub(replace, text)
# Expanding Contractions
training_corpus['cleaned']=training_corpus['cleaned'].apply(lambda x:expand_contractions(x))
testing_corpus['cleaned']=testing_corpus['cleaned'].apply(lambda x:expand_contractions(x))
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