def random_string(self, length=<NUM_LIT:32>):
return self.get(<EOL>'<STR_LIT>',<EOL>params={'<STR_LIT>': length}<EOL>).get('<STR_LIT>', None)<EOL>
Returns a strong random generated string (alphanumeric) of the
            specified length.

            Args:
                length (int): default ``32``.

            Returns:
                str

            >>> s = _syncthing()
            >>> len(s.misc.random_string())
            32
            >>> len(s.misc.random_string(32))
            32
            >>> len(s.misc.random_string(1))
            1
            >>> len(s.misc.random_string(0))
            32
            >>> len(s.misc.random_string(None))
            32
            >>> import string
            >>> all_letters = string.ascii_letters + string.digits
            >>> all([c in all_letters for c in s.misc.random_string(128)])
            True
            >>> all([c in all_letters for c in s.misc.random_string(1024)])
            True