Resources for More Basic Practice
Before you begin your assessment, I wanted to point out some helpful links for practice (don't worry about being able to do these exercises, I just want you to be aware of the links so you can visit them later, since we still haven't discussed functions, you won't be able to utilize a lot of these resources yet!):

Basic Practice:

http://codingbat.com/python

More Mathematical (and Harder) Practice:

https://projecteuler.net/archives

List of Practice Problems:

http://www.codeabbey.com/index/task_list

A SubReddit Devoted to Daily Practice Problems:

https://www.reddit.com/r/dailyprogrammer

A very tricky website with very few hints and touch problems (Not for beginners but still interesting)

http://www.pythonchallenge.com/