File to analyze: Raw contents, for debugging - don't print this out in your final solution
['By', 'some', 'measures', 'of', 'conventional', 'Washington', 'wisdom.']
Contents after separating out punctuation, for debugging  - don't print this out in your final solution
['By', 'some', 'measures', 'of', 'conventional', 'Washington', 'wisdom', '.']
The valid commands are: stats, vocab, Please enter a command: Number of distinct words:  7
Number of words:  7
Average word length:  6.28571428571
Number of sentences:  1
Average sentence length:  7.0
ARI:  11.6757142857