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

update dev/solution.py

update spec/codex.md

update demo/output/customer_segments.json

update demo/output/sales_daily.json

update dev/solution.py

update dev/housing_api/views.py

update spec/codex.md

create README.md

update demo/response.md

delete demo/data.csv

delete dev/data.csv

update dev/housing_api/views.py

update dev/housing_api/urls.py

update demo/response.md

upload files

upload files