NLTK python error: “TypeError: 'dict_keys' object is not subscriptable”

Question

I am following instructions for a class homework assignment and I am supposed to look up the top 200 most frequently used words in a text file.

Here\'s the last par

Answer 1

fdist1 = FreqDist(NSmyText)

vocab=fdist1.keys()

This code is using in Python2.7. So you should do some change. dic.keys() returns an iteratable. So using:

list(fdist1.keys())