How to use the tomlkit.items.String function in tomlkit

if self._current != delim.unit:
            raise self.parse_error(
                InternalParserError,
                "Invalid character for string type {}".format(delim),
            )

        # consume the opening/first delim, EOF here is an issue
        # (middle of string or middle of delim)
        self.inc(exception=UnexpectedEofError)

        if self._current == delim.unit:
            # consume the closing/second delim, we do not care if EOF occurs as
            # that would simply imply an empty single line string
            if not self.inc() or self._current != delim.unit:
                # Empty string
                return String(delim, "", "", Trivia())

            # consume the third delim, EOF here is an issue (middle of string)
            self.inc(exception=UnexpectedEofError)

            delim = delim.toggle()  # convert delim to multi delim

        self.mark()  # to extract the original string with whitespace and all
        value = ""

        # A newline immediately following the opening delimiter will be trimmed.
        if delim.is_multiline() and self._current == "\n":
            # consume the newline, EOF here is an issue (middle of string)
            self.inc(exception=UnexpectedEofError)

        escaped = False  # whether the previous key was ESCAPE
        while True:

):
                    i = item(_v)
                    if isinstance(table, InlineTable):
                        i.trivia.trail = ""

                    table[k] = item(i)

                v = table

            a.append(v)

        return a
    elif isinstance(value, (str, unicode)):
        escaped = escape_string(value)

        return String(StringType.SLB, decode(value), escaped, Trivia())
    elif isinstance(value, datetime):
        return DateTime(
            value.year,
            value.month,
            value.day,
            value.hour,
            value.minute,
            value.second,
            value.microsecond,
            value.tzinfo,
            Trivia(),
            value.isoformat().replace("+00:00", "Z"),
        )
    elif isinstance(value, date):
        return Date(value.year, value.month, value.day, Trivia(), value.isoformat())
    elif isinstance(value, time):

def tomlkit_value_to_python(toml_value):
    # type: (Union[Array, AoT, TOML_DICT_TYPES, Item]) -> Union[List, Dict]
    value_type = type(toml_value).__name__
    if (
        isinstance(toml_value, TOML_DICT_OBJECTS + (dict,))
        or value_type in TOML_DICT_NAMES
    ):
        return tomlkit_dict_to_python(toml_value)
    elif isinstance(toml_value, AoT) or value_type == "AoT":
        return [tomlkit_value_to_python(val) for val in toml_value._body]
    elif isinstance(toml_value, Array) or value_type == "Array":
        return [tomlkit_value_to_python(val) for val in list(toml_value)]
    elif isinstance(toml_value, String) or value_type == "String":
        return "{0!s}".format(toml_value)
    elif isinstance(toml_value, Bool) or value_type == "Bool":
        return toml_value.value
    elif isinstance(toml_value, Item):
        return toml_value.value
    return toml_value

def _new(self, result):
        return String(self._t, result, result, self._trivia)

break

                        close += delim.unit

                        # consume this delim, EOF here is only an issue if this
                        # is not the third (last) delim character
                        self.inc(exception=UnexpectedEofError if not last else None)

                    if not close:  # if there is no close characters, keep parsing
                        continue
                else:
                    # consume the closing delim, we do not care if EOF occurs as
                    # that would simply imply the end of self._src
                    self.inc()

                return String(delim, value, original, Trivia())
            elif delim.is_basic() and escaped:
                # attempt to parse the current char as an escaped value, an exception
                # is raised if this fails
                value += self._parse_escaped_char(delim.is_multiline())

                # no longer escaped
                escaped = False
            elif delim.is_basic() and self._current == "\\":
                # the next char is being escaped
                escaped = True

                # consume this char, EOF here is an issue (middle of string)
                self.inc(exception=UnexpectedEofError)
            else:
                # this is either a literal string where we keep everything as is,
                # or this is not a special escaped char in a basic string

):
                    i = item(_v)
                    if isinstance(table, InlineTable):
                        i.trivia.trail = ""

                    table[k] = item(i)

                v = table

            a.append(v)

        return a
    elif isinstance(value, (str, unicode)):
        escaped = escape_string(value)

        return String(StringType.SLB, decode(value), escaped, Trivia())
    elif isinstance(value, datetime):
        return DateTime(
            value.year,
            value.month,
            value.day,
            value.hour,
            value.minute,
            value.second,
            value.microsecond,
            value.tzinfo,
            Trivia(),
            value.isoformat().replace("+00:00", "Z"),
        )
    elif isinstance(value, date):
        return Date(value.year, value.month, value.day, Trivia(), value.isoformat())
    elif isinstance(value, time):

def tomlkit_value_to_python(toml_value):
    # type: (Union[Array, AoT, TOML_DICT_TYPES, Item]) -> Union[List, Dict]
    value_type = type(toml_value).__name__
    if (
        isinstance(toml_value, TOML_DICT_OBJECTS + (dict,))
        or value_type in TOML_DICT_NAMES
    ):
        return tomlkit_dict_to_python(toml_value)
    elif isinstance(toml_value, AoT) or value_type == "AoT":
        return [tomlkit_value_to_python(val) for val in toml_value._body]
    elif isinstance(toml_value, Array) or value_type == "Array":
        return [tomlkit_value_to_python(val) for val in list(toml_value)]
    elif isinstance(toml_value, String) or value_type == "String":
        return "{0!s}".format(toml_value)
    elif isinstance(toml_value, Bool) or value_type == "Bool":
        return toml_value.value
    elif isinstance(toml_value, Item):
        return toml_value.value
    return toml_value