title: Python Import data dictionary and pattern
body: <p>If I have data as:</p>
  <pre><code>Code, data_1, data_2, data_3, [....], data204700
  
  a,1,1,0, ... , 1
  b,1,0,0, ... , 1
  a,1,1,0, ... , 1
  c,0,1,0, ... , 1
  b,1,0,0, ... , 1
  etc. same code different value (0, 1, ?(not known))
  </code></pre>
  <p>I need to create a big matrix and I want to analyze.</p>
  <ol>
  <li><strong>How can I import data in a dictionary?</strong></li>
  </ol>
  <p>I want to use dictionary for column (204.700+1)</p>
  <ol>
  <li><p><strong>There is a built in function (or package) that return to me pattern?</strong></p>
  <p>(I expect a percent pattern). I mean as 90% of 1 in column 1, 80% of in column 2.</p>
  </li>
  </ol>