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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 _equivalent(self, char, prev, next, implicitA):
 """ Transliterate a Devanagari character to Latin. Add implicit As unless overridden by VIRAMA. """

        result = []
        if char.unichr != DevanagariCharacter._VIRAMA:
            result.append(char.equivalents[self.name])
        """ Append implicit A to consonants if the next character isn't a vowel. """
        if implicitA and char.isConsonant \
        and ((next is not None \
        and next.unichr != DevanagariCharacter._VIRAMA \
        and not next.isVowel) \
        or next is None):
            result.append(characterBlocks['DEVANAGARI']\
                   [DevanagariCharacter._LETTER_A].equivalents[self.name])
        return result