関連ワード:  python check if string is a list    python check if string is a directory    python check if string is a directory path    python check if string is not in a list    python check if string is in list case insensitive    python check if string contains a list of substrings    python check if string is in list of dictionaries    python test if string is in a list    python check if string is present in list    python check if string is one of list