in greengrass-v2/poll-api/artifacts/com.greengrass.GGUtils/1.0.0/GGUtils.py [0:0]
def get_min_and_max_sequence_numbers(message_list):
min_sequence_number = None
max_sequence_number = None
for message in message_list:
sequence_number = message.sequence_number
if min_sequence_number is None or sequence_number < min_sequence_number: min_sequence_number = sequence_number
if max_sequence_number is None or sequence_number > max_sequence_number: max_sequence_number = sequence_number
return min_sequence_number, max_sequence_number