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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_subscriptions(self, limit=100, offset=0, params={}):
 """ Get all subscriptions """

        url = self.SUBSCRIPTIONS_URL + "?limit=%s&offset=%s" % (limit, offset)

        for key, value in params.items():
            if key is 'ids':
                value = ",".join(value)

            url += '&%s=%s' % (key, value)

        connection = Connection(self.token)
        connection.set_url(self.production, url)

        return connection.get_request()