2. Program: Word and Character Frequencies - Write a program or script in python

a. for any given text file return the word count and the histogram frequency of the words. Show the results as well as a graphical representation (bar chart).

b. for any given file return the frequency count of each character and character histogram of the file. Provide options for the use to perform this analysis on for all ASCII characters or to only alpha-numeric characters.

3. Perform word and character analysis on doi.txt and gadsby_text.txt. Please submit your code, results and observations.