title: find max of a column in a csv file using python
body: <p>I am trying to find max of below colm in csv</p>
  
  <p>list['1154293', '885773', '-448704', '563679', '555394', '631974', '957395', '1104047', '693464', '454932', '727272', '125016', '339251', '78523', '977084', '1158718', '332681', '-341227', '173826', '742611', '1189806', '607363', '-1172384', '587993', '295198', '-300390', '468995', '698452', '967828', '-454873', '375723', '1140526', '83836', '413189', '551363', '1195111', '657081', '66659', '803301', '-953301', '883934']</p>
  
  <p>I ran the code i wrote</p>
  
  <pre><code>  for row in csvReader:
  
  
          Revenue.append(row[1])
          max_revenue=max(Revenue)
          print("max revenue"+str(max_revenue))
  </code></pre>
  
  <p>But somhow its not fetching max value , output am getting is </p>
  
  <pre><code>        max revenue 977084
  </code></pre>
  
  <p>Please advice ,</p>