Changhao Song Svision

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?

	import logging
	import time
	import json
	import random
	from datetime import datetime

	import requests
	from selenium import webdriver
	from selenium.webdriver.support import expected_conditions as EC
	from selenium.webdriver.support.ui import WebDriverWait