Then, submit a Jupyter notebook with Python code which does the following and answers the questions.

Read the text into a text corpus.

How many words are in the corpus? $--1$ point

What are the five most common words? $--3$ points

Now, read the file and create a token list.$$ Then, cleanse your token list by removing punctuation, converting everything to lower case, and removing stop words.

Repeat Step $4,$ indicating what are the five most common words after you have gone through the cleansing steps.$$ Note:$$ A token list is not the same thing as a corpus.$$ You may find it helpful Python's "collections" package, which has a method called "most$\_$common". $--6$ points