Update day4.md
added paper on tasks
objectives day 8
correct points
update update instructions
Update day8.md
Update day8.md
Update day8.md
Update day8.md
Update day8.md
Update day8.md
Update day8.md
Update day8.md
Update day8.md
Update day8.md
Update day8.md
debugging
no wildcards in TS
constraints
Update day8.md

No import fix needed