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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 voice_message_create(self, recipients, body, params=None):
 """Create a new voice message."""

        if params is None: params = {}
        if type(recipients) == list:
            recipients = ','.join(recipients)

        params.update({'recipients': recipients, 'body': body})
        return VoiceMessage().load(self.request('voicemessages', 'POST', params))