関連ワード:  python if string is in list    python check string is in list    python check if string is in list case insensitive    python if string is not in list    python find if string is in list    python check if string is in list of dictionaries    python check if string is in list element    python check if string is in list of tuples    python check if string is in list of substrings    python if string in list exact match