CHALLENGE: Py4E Python Training

Points:
Up to 12 (1 for each assignment completed)
Your points will be added to your entry on the [Leaderboard](https://docs.google.com/spreadsheets/d/1R7Jaj1ORZoJZ5rv6nNAKH0d5ChC9odvzev9JwareQVA/edit?usp=sharing)

Instructions:
* Go to http://py4e.com
* Log in with your Google Account
* Go to "Assignments" and complete as many as you can from the list below
* If you aren't sure how to do any of the assignments, watch the videos for the associated lesson
* If you still aren't sure, reach out on Discord or Slack!

Eligible assignments:
The following are eligible:

* Ex 2.3
* Ex 3.1
* Ex 3.3
* Ex 4.6
* Ex 5.2
* Ex 6.5
* Ex 7.2
* Ex 8.4
* Ex 8.5
* Ex 9.4
* Ex 10.2
* Quiz: Object-Oriented Programming

Verification:
Upload a screenshot of your “Assignments” page showing completed assignments in a comment to this issue. You can upload more than once--do a batch and then upload, and then do another batch later!