title: How pass JSON file path as run time argument?
body: <p>Can anyone guide me on how can I pass the JSON file path as run time argument to main.py file? 
  this code from GitHub <a href="https://github.com/ganesh-karthick/TwitterUserRanker" rel="nofollow noreferrer">https://github.com/ganesh-karthick/TwitterUserRanker</a></p>
  
  <pre><code>helpText = "Usage: \n python main.py  -f , --file=&lt;InputJSONFile&gt; \n[optional] -t , --topXUsers=&lt;number&gt;"    
  </code></pre>
  
  <p><strong>I'm trying with this:</strong></p>
  
  <pre><code>helpText = "Usage: \n python main.py  -f , --file=/Users/RawanAbdullah/Downloads/TwitterUserRankerMaster/marssample.json \n[optional] -t , --topXUsers=&lt;number&gt;"    
  </code></pre>
  
  <p><strong>The output:</strong></p>
  
  <p>I know it may be very easy but I am a bit new to python</p>