関連ワード:  first unique character in a string python    first unique character in a string leetcode python    387 first unique character in a string python    find first unique character in a string python    first unique character in a string leetcode solution python    first character in a string python    first repeated character in a string python    first letter in a string python    first char in a string python    first non repeating character in a string python  
結果 : first unique character in a string python