update README.md

delete scripts/PANDAS_CHEATSHEET.md

delete scripts/MATPLOTLIB_CHEATSHEET.md

delete scripts/CODE_REQUIREMENTS.md

delete scripts/ASSIGNMENTS_README.md

Запрос на слияние '10практика' (#2) из 10практика в master

create README

create demo/art.txt

update dev/solution.cs

create dev/solution.cs

Запрос на слияние 'MyBranch' (#1) из MyBranch в master

create demo/demo_session.txt

create README.md

update dev/solution.cs

create dev/solution.cs

create demo/demo_session.txt

create README.md

update dev/solution.cs

create dev/solution.cs

create spec/codex.md