import praw
r = praw.Reddit(client_id='<removed>',
                     client_secret="<removed>",
                     password = "<Removed>",
                     user_agent='/u/Omegaxysgaming, Bot for combining /r/showerthoughts and /r/earthporn posts',
                     username = "STPlusEarthPornBot")

def main():
    Quotes = r.subreddit("Showerthoughts")
    for submission in Quotes.get_hot():
        print(submission.title)

main()

Result:
Traceback (most recent call last):
  File "/Users/drubertcaramon/PycharmProjects/untitled/Main", line 8, in <module>
    print(r.user.me())
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/praw/models/user.py", line 60, in me
    user_data = self._reddit.get(API_PATH['me'])
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/praw/reddit.py", line 320, in get
    data = self.request('GET', path, params=params)
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/praw/reddit.py", line 404, in request
    params=params)
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/prawcore/sessions.py", line 135, in request
    self._authorizer.refresh()
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/prawcore/auth.py", line 328, in refresh
    password=self._password)
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/prawcore/auth.py", line 138, in _request_token
    response = self._authenticator._post(url, **data)
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/prawcore/auth.py", line 31, in _post
    raise ResponseException(response)
prawcore.exceptions.ResponseException: received 403 HTTP response