Upgrade Python tooling and refresh course samples#18

BrianKolowitz wants to merge 1 commit into

golf-analyticsBrianKolowitz/data-focused-python:golf-analyticsfrom

codex/upgrade-project-for-latest-python-versionBrianKolowitz/data-focused-python:codex/upgrade-project-for-latest-python-versionCopy head branch name to clipboard