from urllib.request import urlopen
from bs4 import BeautifulSoup

html = urlopen('https://www.washingtonpost.com/')

bs = BeautifulSoup(html, "html.parser")

titles = bs.find_all('h2')
titles_list = []

#getting the content of <a> tag inside h2
for h2 in titles:
    titles_list.append(h2.a.text.strip())

# write() argument must be str, not list
titles_list_strings = "\n".join(titles_list)

text_file = open("results.txt", "w")
text_file.write(titles_list_strings)
text_file.close()