header.py

try:
    import httplib
except:
    import http.client as httplib

try:
    import urllib
    urllib.urlencode({})
except:
    import urllib.parse as urllib

p = urllib.urlencode({'user_id':'blahsdfi','password':'qwera'})
h = {
    'Content-Type':'application/x-www-form-urlencoded',
    'User-Agent':'Mozilla/5.0 (Linux; Android 4.2.2; GT-I9505 Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.59 Mobile Safari/537.36'
}
conn = httplib.HTTPConnection("www.koreapas.com")
conn.request("POST", "/bbs/login_check.php", p, h)

r = conn.getresponse()
try:
    print(r.msg.as_bytes())
except:
    print(r.msg)

print(r.getheaders())