関連ワード:  count frequency of an element in list python    count frequency of each element in list python    count occurrences of an element in a list python    count frequency of items in list python    count occurrences of each element in list python    count occurrences of every element in list python    write a python program to count the frequency of an element in a list    count how many occurrences in list python  
結果 : count frequency of an element in list python