title: Python - CSV to Nested Dictionary
body: <p>I need to import a CSV file that has this kind of data ,  </p>
  
  <pre><code>                       January February March
                Amy      4     3      4
                Ben      5     2      0 
                Clara    0     3.5    4  
  </code></pre>
  
  <p>Top Row having month (names) , first column with names (sales) and monthly booking corresponding to the month. </p>
  
  <p>Looking for a way to get Dictionary output like this one , it needs to drop the months with 0 </p>
  
  <pre><code>                {"Amy": {"January ": 4, "February": 3, "March": 4},
                    "Ben": {"January": 5, "February": 2},
                    "Clara": {"February": 3.5, "March": 4}}
  </code></pre>
  
  <p>Any help will be appreciated.</p>
  
  <p>Thanks ,</p>
  
  <p>Rahul</p>