関連ワード:  python check if element in list exists    python check if index in list exists    python check if value in list exists    python check if element in list contains string    python check if element in list contains substring    python check if next element in list exists    python check if nth element in list exists    python check if item in list contains string    python check if any element in list contains string    python check if any element in list contains substring  
結果 : python check if element in list exists