title: Python reading data file into lists or arrays
body: <p>For some reason, I decided to save my list of data as a string.  If I use </p>
  
  <pre><code>f = open('tarfile.txt')
  for line in f.readlines():
      print line
  f.close()
  </code></pre>
  
  <p>my output looks like: </p>
  
  <pre><code>[  53.7775   13.4375   26.525    48.63    125.      185.      653.    ]    
  [  53.7775    13.33625   26.73375   48.68375  125.       185.       653.     ]    
  [  53.7775    13.325     27.11375   48.8875   126.       187.       653.     ]    
  [  53.7775    13.43625   27.3175    48.92875  126.       187.       653.     ]    
  [  53.7775    14.4825    33.07375   51.7325   141.       202.       595.     ]
  </code></pre>
  
  <p>I would like to read this data in to 2D array.  I have searched and tried various methods such as pickle, eval, json, etc but nothing worked</p>