title: Python data encryption
body: <p>I have  the task to hide customer's data form my script. I am using this <a href="https://github.com/nikodraca/PostTrends/blob/master/app.py" rel="nofollow noreferrer">example</a>. I don't understand the </p>
  
  <pre><code>import creds
  import sys
  import calendar
  
  reload(sys)
  sys.setdefaultencoding('utf-8')
  
  app = Flask(__name__)
  app.secret_key = creds.ACCESS_TOKEN
  </code></pre>
  
  <p>How we create <code>creds</code> file? Are there any examples of this? </p>