text: #!/usr/bin/env python
  import sys
  
  # create set of stopwords 
  stops = set(['i', 'the', 'and', ',', '.', ';', '?', '!', 'a', 'me', 'my', 'you', 'your', 'are', 'be', 'to', 'or', 'but', 'he', 'her', 'his', 'hers', 'with', 'for', 'by'])
  
  # get all lines from stdin
  for line in sys.stdin:
      # remove leading and trailing whitespace and convert to lowercase
      line = line.strip().lower()
  
      # split the line into words; splits on any whitespace
      words = line.split()
  
      # output tuples (word, 1) in tab-delimited format after removing stopwords
      for word in words:
  	if word not in stops:
               print '%s\t%s' % (word, "1")
  