Слияние ветки с полностью выполненной работой в основу

update assignment.py

update assignment.py

delete scripts/PANDAS_CHEATSHEET.md

delete scripts/MATPLOTLIB_CHEATSHEET.md

update assignment.py

update assignment.py

delete scripts/PANDAS_CHEATSHEET.md

delete scripts/MATPLOTLIB_CHEATSHEET.md

delete scripts/CODE_REQUIREMENTS.md

delete scripts/ASSIGNMENTS_README.md

create README.md

delete CONTRIBUTING.md

delete FILE_UPDATE_REPORT.md

PNG files upload

minor fix

AI did the job