def test_stemmingAndLemma(self):
self.assertEqual(prep.StemmingAndLemmatization("the children are playing"),"the child are play")
def preprocess(sentence): # preprocess the sentence using preprocessing model
clean=prep.cleanPunctuationAndLower(sentence)
stemm=prep.StemmingAndLemmatization(clean)
spell=prep.cleanStopWordsAndSpelling(stemm)
return spell