calling syntax startswith(patterns endswith(patterns isspaces isalphas islowers isuppers isdigits isdecimals isnumerics isalnum description return true if pattern is prefix of string return true if pattern is suffix of string return true if all characters of nonempty string are whitespace return true if all characters of nonempty string are alphabetic return true if there are one or more alphabetic charactersall of which are lowercased return true if there are one or more alphabetic charactersall of which are uppercased return true if all characters of nonempty string are in - return true if all characters of nonempty string represent digits - including unicode equivalents return true if all characters of nonempty string are numeric unicode characters ( - equivalentsfraction charactersreturn true if all characters of nonempty string are either alphabetic or numeric (as per above definitionstable methods that test boolean properties of strings splitting and joining strings table describes several important methods of python' string classused to compose sequence of strings together using delimiter to separate each pairor to take an existing string and determine decomposition of that string based upon existence of given separating pattern calling syntax sep join(stringss splitliness split(sepcounts rsplit(sepcounts partition(seps rpartition(sepdescription return the composition of the given sequence of stringsinserting sep as delimiter between each pair return list of substrings of sas delimited by newlines return list of substrings of sas delimited by the first count occurrences of sep if count is not specifiedsplit on all occurrences if sep is not specifieduse whitespace as delimiter similar to splitbut using the rightmost occurrences of sep return (headseptailsuch that head sep tailusing leftmost occurrence of sepif anyelse return (sreturn (headseptailsuch that head sep tailusing rightmost occurrence of sepif anyelse return stable methods for splitting and joining strings the join method is used to assemble string from series of pieces an example of its usage is and join(red green blue ])which produces the result red and green and blue note well that spaces were embedded in the separator string in contrastthe command and join(red green blue ]produces the result redandgreenandblue