08 分布式计算MapReduce--词频统计


def getText():
txt=open("D:\\test.txt","r").read()
txt=txt.lower()
punctuation = r"""!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~“”?,!【】()、。:;’‘……¥·"""
for ch in punctuation:
txt=txt.replace(ch,"")
return txt

hamletTxt=getText()
words=hamletTxt.split()
counts={}
for word in words:
counts[word]=counts.get(word,0)+1
items=list(counts.items())
items.sort(key=lambda x:x[1],reverse=True)
for i in range(100):
word,count=items[i]
print("{0:<10}{1:>5}".format(word,count))
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