Cohort 4

What's Changed

• Update README.md by @curtissfnorman in #88
• file system update by @danielrazavi in #89
• Cohort 4 content update by @dtxe in #90
• Replace assignment, add autograder by @dtxe in #91

Full Changelog: v3.0.0...v4.0.0

v3.0.0

Update README.md

Cohort 1

DSI Certificates course materials for Cohort 1

Cohort 2

Snapshot of the shell course materials used for the UofT DSI Certificates program for Cohort 2