For this assignment you will use Blackboard to submit two .py files: one .py file containing an updated version of binary_tree.py from in-class activity #6 and one .py file containing the unit tests mentioned in Exercise #3 below. Your code should include an acknowledgment statement and should conform to the CS240 Coding Standards. Don't forget to include an honor code statement in your submission.
unittest
module from the Python standard
library. (5pts)