関連ワード:  finding duplicate elements in a list python    delete duplicate elements in a list python    find duplicate values in a list python    find duplicate items in a list python    find repeated elements in a list python    find duplicate entries in a list python    delete duplicate values in a list python    finding index of duplicate values in a list python    find non duplicate elements in list python    find duplicate values in two lists python  
結果 : finding duplicate elements in a list python