4 freq = {}

     1 freq = {}

     5 for line in f:

     2 for line in f:

     6     words = line.split()

     3     words = line.split()

     7     for word in words:

     4     for word in words:

     8         key = word.strip(',.!;?()[]: ')

     5         key = word.strip(',.!;?()[]: ')