| An
example -- revisited |
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| >>> wordcount = {} |
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| >>> for line in file(‘a_file.txt’, ‘r’): |
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| ... for word in
line.split(): |
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| ... word =
word.lower() |
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| ... try: |
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| ... wordcount[word] =
wordcount[word]+1 |
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| ... except KeyError: |
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| ... wordcount[word] = 1 |
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| ... |
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| >>> print wordcount |
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| {‘python’:64, ‘monty’:2, ‘a’:666, ... |
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| It’s
easier to ask forgiveness than permission |