import os

os.system('python -c "import nltk; nltk.download(\'wordnet\')"')
os.system('python -c "import nltk; nltk.download(\'stopwords\')"')
os.system('python -c "import nltk; nltk.download(\'vader_lexicon\')"')
os.system('python -c "import nltk; nltk.download(\'punkt\')"')
os.system('python -c "import nltk; nltk.download(\'averaged_perceptron_tagger\')"')