python中,怎么做个字典,数句子中单词出现的次数
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以下是一种可能的计算方法。
sentence='''by: William Shakespeare From fairest creatures we desire increase,That thereby beauty's rose might never die,
But as the riper should by time decease,
His tender heir might bear his memory;
But thou, contracted to thine own bright eyes,
Feed'st thy light's flame with self-substantial fuel,
Making a famine where abundance lies,
Thyself thy foe, to thy sweet self too cruel.
Thout that are now the world's fresh ornament
And only herald to the gaudy spring,
Within thine own bud buriest thy content
And, tender churl, mak'st waste in niggarding.
Pity the world, or else this glutton be,
To eat the world's due, by the grave and thee.'''
words=sentence.split()
from string import punctuation
words=[w.strip() for w in words]
for p in punctuation:
words=[w.strip(p) for w in words]
diff_words=set(words)
stat={}
for w in diff_words:
stat[w]=words.count(w)
print(stat)
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