title: storing serial value after the loop is done from the Arduino side
body: <p>I have similar question with the link below. </p>
  
  <p><a href="https://stackoverflow.com/questions/41979340/how-to-store-value-in-list-python-which-is-coming-from-arduino-serially">How to store value in list (python) which is coming from arduino serially?</a></p>
  
  <p>For his output will look like 
  [2.00]</p>
  
  <p>[2.00,2.64]</p>
  
  <p>[2.00,2.64,3.28] etc</p>
  
  <p>So I wonder how will be able to use [2.00,2.64,3.28] after the while true loop is done. I want to use that last piece because I want to extract specific index from that list and make use of it.</p>
  
  <p>I wish somebody know the answer could help.</p>
  
  <p>Greg</p>