sqs_save_to_file.py

import boto3


sqs_client = boto3.client('sqs')

while True:
    with open('messages.txt', 'a') as save_file:
        messages = sqs_client.receive_message(
            QueueUrl='https://sqs.us-east-1.amazonaws.com/1234567890123/example',
            MaxNumberOfMessages=10
        )
        for message in messages.get('Messages'):
            save_file.write(message.get('Body') + '\n')

            delete_response = sqs_client.delete_message(
                QueueUrl='https://sqs.us-east-1.amazonaws.com/1234567890123/example',
                ReceiptHandle=message.get('ReceiptHandle')
            )
        print('Processed %s messages' % len(messages.get('Messages')))