title: Python: multiple data types in a list
body: <p>Using: Py3.X</p>
  
  <p>Hi, i have a list as shown below, and i want to print it's field individually, May i know how can i store multiple data types into a variable.</p>
  
  <p>Failed:</p>
  
  <pre><code>S = [1, 2, a, b]
  
  NameError: name 'a' is not defined
  </code></pre>
  
  <p>Success:</p>
  
  <pre><code>T = ['1','2','a','b']
  print(T[1])
  2
  </code></pre>
  
  <p>How to make 'S' into the format of 'T' that every field is saved with single quotes.
  else how can i use 'S' list without putting those fields under single quotes.</p>
  
  <p>required output:</p>
  
  <pre><code>print(S[1])
  2
  </code></pre>