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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 _parse_accented_syllable(unparsed_syllable):
 """Return the syllable and tone of an accented Pinyin syllable. Any accented vowels are returned without their accents. Implements the following algorithm: 1. If the syllable has an accent mark, convert that vowel to a regular vowel and add the tone to the end of the syllable. 2. Otherwise, assume the syllable is tone 5 (no accent marks). """

    if unparsed_syllable[0] == '\u00B7':
        # Special case for middle dot tone mark.
        return unparsed_syllable[1:], '5'
    for character in unparsed_syllable:
        if character in _ACCENTED_VOWELS:
            vowel, tone = _accented_vowel_to_numbered(character)
            return unparsed_syllable.replace(character, vowel), tone
    return unparsed_syllable, '5'