Natural Language Processing Based Machine-Learning Model to classify customer reviews into either positive or negative class

Python version -> 3.5.x
Dependencies:
1)Numpy
2)Matplotlib
3)Pandas
4)Sklearn
5)NLTK

Classifier Used is Gaussian_Naive-Bayes

Classification Quantifying Metrics:
1)Confusion-matrix
2)Accuracy-score
3)Classification-report