Encode a list for the DynamoDB format

def encode_list(dynamizer, value):
    """ Encode a list for the DynamoDB format """
    encoded_list = []
    dict(map(dynamizer.raw_encode, value))
    for v in value:
        encoded_type, encoded_value = dynamizer.raw_encode(v)
        encoded_list.append({
            encoded_type: encoded_value,
        })
    return 'L', encoded_list