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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_all_spot_instance_requests(self, request_ids=None, filters=None):
 """ Retrieve all the spot instances requests associated with your account. :type request_ids: list :param request_ids: A list of strings of spot instance request IDs :type filters: dict :param filters: Optional filters that can be used to limit the results returned. Filters are provided in the form of a dictionary consisting of filter names as the key and filter values as the value. The set of allowable filter names/values is dependent on the request being performed. Check the EC2 API guide for details. :rtype: list :return: A list of :class:`boto.ec2.spotinstancerequest.SpotInstanceRequest` """

        params = {}
        if request_ids:
            self.build_list_params(params, request_ids, 'SpotInstanceRequestId')
        if filters:
            if 'launch.group-id' in filters:
                lgid = filters.get('launch.group-id')
                if not lgid.startswith('sg-') or len(lgid) != 11:
                    warnings.warn(
                        "The 'launch.group-id' filter now requires a security "
                        "group id (sg-*) and no longer supports filtering by "
                        "group name. Please update your filters accordingly.",
                        UserWarning)
            self.build_filter_params(params, filters)
        return self.get_list('DescribeSpotInstanceRequests', params,
                             [('item', SpotInstanceRequest)], verb='POST')