import boto3

def keys_in_s3_location(bucket_name, path):
    s3 = boto3.resource('s3')
    bucket = s3.Bucket(bucket_name)
    return [
        's3://{}/{}'.format(bucket_name, key.key)
        for key in bucket.objects.filter(Prefix=path)]


def chunk_list(l, cunk_size):
    return [l[i:i + cunk_size] for i in range(0, len(l), cunk_size)]