venture of iit bombay vjti alumni istitle(returns true if string is properly "titlecasedand false otherwise isupper(returns true if string has at least one cased character and all cased characters are in uppercase and false otherwise join(seqmerges (concatenatesthe string representations of elements in sequence seq into stringwith separator string len(stringreturns the length of the string ljust(width[fillchar]returns space-padded string with the original string leftjustified to total of width columns