Sorting-hat: a seat assigning randomly considering social distance

there are 4 interfaces to deal with seat-assignment information.
Please refer some websites about sqlite and python. Start from here [https://www.sqlitetutorial.net/sqlite-sample-database/]

Environment

• python 3.6 (recommended)
• sqlite3 (default included python)
• linux ubuntu 18.04 (please update your test log)

Usage

register

search

update_info

assign_seat