update README.md

upload README.md

delete FILE_UPDATE_REPORT.md

delete CONTRIBUTING.md

Загрузил файлы с анализа

update assignment.py

update python_hard.py

update python_medium.py

update python_easy.py

update REPORT.md

update REPORT.md

update REPORT.md

update REPORT.md

upload files

update python_hard.py

update python_medium.py