関連ワード:  count number of words in python string    get number of words in string python    count number of occurrences of word in string python    count how many words in string python    count number of repeated words in a string python    count number of unique words in a string python    count number of times word appears in string python    program to count number of words in a string python    count frequency of words in string python    count occurrences of words in string python  
結果 : count number of words in python string