Python 统计一个英文单词出现的频率

统计单词的个数

 def count(str):
     count_words = str.split()
    count_word = {}
    for word in count_words:
        if word not in count_word.keys():
            count_word[word] = 1
        else:
           count_word[word] += 1
    return count_word
 print(count('hello lily'))