gistfile1.txt

 import sys
       record=[]
       for line in sys.stdin:
               if len(record) < 2 and line != '\n':
                       record.append(line.strip())
               elif len(record) == 2:
                       print record
                       record=[]
                       sys.stdout.flush()
               else:
                     print "Not yet",
                     print record