import requests
from bs4 import BeautifulSoup

ua = {"User-Agent" : "Mozilla/5.0 (Linux; Android 4.1.1; Nexus 7 Build/JRO03D)"}

r = requests.get("http://m.dcinside.com/list.php?id=programming", headers=ua)
soup = BeautifulSoup(r.text, "html.parser")


for post in soup.select("span.title > span.txt"):
  print(post.text)