title: Python script for extract test from log files
body: <p>The problem statement as follows, There is log file contains logs related to testing results. For example it is contains text like testcase1 followed by logs for test case and testcase2 followed by logs for the test case and so on.</p>
  
  <p>If user want to extract log for testcase1 and testcase3, script should read input from user like testcase1 and testcase3. Then extract only the logs for specified testcases.</p>
  
  <p>In this case, assume user enter testcase1 and testcase3, output should be lines below the testcase1 and testcase3 from the log file.</p>