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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def calc_offset(self, syllables_spaces: List[str]) -> Dict[int, int]: """ Calculate a dictionary of accent positions from a list of syllables with spaces. :param syllables_spaces: :return: """

        line = string_utils.flatten(syllables_spaces)
        mydict = {} # type: Dict[int, int]
        # #defaultdict(int) #type: Dict[int, int]
        for idx, syl in enumerate(syllables_spaces):
            target_syllable = syllables_spaces[idx]
            skip_qu = string_utils.starts_with_qu(target_syllable)
            matches = list(self.syllable_matcher.finditer(target_syllable))
            for position, possible in enumerate(matches):
                if skip_qu:
                    skip_qu = False
                    continue
                (start, end) = possible.span()
                if target_syllable[start:end] in \
                        self.constants.VOWELS + self.constants.ACCENTED_VOWELS:
                    part = line[:len("".join(syllables_spaces[:idx]))]
                    offset = len(part) + start
                    if line[offset] not in self.constants.VOWELS + self.constants.ACCENTED_VOWELS:
                        LOG.error("Problem at line {} offset {}".format(line, offset))
                    mydict[idx] = offset
        return mydict