from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By

driver = webdriver.Chrome()

driver.get("https://www.5ch.net/";)

search_box = driver.find_element_by_name("key")
search_box.send_keys(*)

search_button = driver.find_element_by_xpath("//input[@value='検索']")
search_button.click()

board_link = driver.find_element_by_link_text(*)
board_link.click()

thread_link = driver.find_element_by_link_text(*)
thread_link.click()

name_box = driver.find_element_by_name("FROM")
name_box.send_keys("Copilot")
body_box = driver.find_element_by_name("MESSAGE")
body_box.send_keys(*)

submit_button = driver.find_element_by_xpath("//input[@value='書き込む']")
submit_button.click()

send_button = driver.find_element_by_xpath("//input[@value='送信']")
send_button.click()

driver.quit()