import snappy
import selenium.webdriver
snapchat_c = snappy.main.SnapchatCredentials("<your username>", "<your password>")
client = snappy.main.SnapchatClient(selenium.webdriver.Edge(), snapchat_c)
client.listConversations()
client.getMessagesBacklog(conversation)
client.sendMessage(conversation, message, cool_down=True)