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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 _name_variation_has_only_initials(name):
 """Detects whether the name variation consists only from initials."""

    def _is_initial(name_variation):
        return len(name_variation) == 1 or u'.' in name_variation

    parsed_name = ParsedName.loads(name)

    return all([_is_initial(name_part) for name_part in parsed_name])