详解Python用三种方式统计词频的方法

text = "I'm a hand some boy!"frequency = {}for word in text.split():  if word not in frequency:    frequency[word] = 1  else:    frequency[word] += 1

import collectionsfrequency = collections.defaultdict(int)text = "I'm a hand some boy!"for word in text.split():  frequency[word] += 1

import collectionstext = "I'm a hand some boy!"frequency = collections.Counter(text.split())