This function takes a S3 bucket name and optionally folder name and returns a sorted list of objects inside s3

boto3_s3_list_objects.py

def list_objects(
    bucket_name: str, folder_name: str
) -> None:
    """ This function takes a S3 bucket name and optionally folder name
        and returns a sorted list of objects inside S3

    Args:
        bucket_name ([string]): Name of the S3 bucket
        folder_name ([string]): Sub folder inside S3 (optional)
    """    
    import boto3

    s3_client = boto3.client('s3')

    response = s3_client.list_objects_v2(Bucket=bucket_name, Prefix=folder_name)
    objs = response['Contents']
    objs.sort(key=lambda k:k['LastModified'])

    print("%10s | %10s | %20s" % ('Date', 'Bucket', 'File'))
    for obj in objs:
        print("%10s | %10s | %20s" % (obj['LastModified'].strftime("%Y-%m-%d"), bucket_name, obj['Key']))