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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 get_accounts_for_service(cls, service_type):
 """Get a list of accounts for a given music service. Args: service_type (str):
 The service_type to use. Returns: list: A list of `Account` instances. """

        return [
            a for a in cls.get_accounts().values()
            if a.service_type == service_type
        ]