title: Reading last few rows using read_csv in pandas
body: <p>I have a file which is continuously growing like this:</p>
  
  <pre><code>https|webmail.mahindracomviva.com|application/vnd.ms-sync.wbxml|158|POST|203.101.110.171
  https|webmail.mahindracomviva.com||0|POST|203.101.110.171
  https|webmail.mahindracomviva.com||0|POST|203.101.110.171
  https|www.googleapis.com|application/x-protobuf|246|POST|74.125.200.95
  https|webmail.mahindracomviva.com|application/vnd.ms-sync.wbxml|140|POST|203.101.110.171
  https|webmail.mahindracomviva.com|application/x-protobuf|52|POST|203.101.110.171
  https|www.googleapis.com|application/x-protobuf|502|POST|74.125.200.95
  https|www.googleapis.com|application/x-protobuf|40|POST|74.125.200.95
  </code></pre>
  
  <p>But I would like to read only the last 50 lines using Pandas.</p>