refactor with python3 Classify iris problem description:https://en.wikipedia.org/wiki/Iris_flower_data_set data source: http://archive.ics.uci.edu/ml/datasets/Iris 使用python3重构 鸢尾花分类问题 问题描述:https://en.wikipedia.org/wiki/Iris_flower_data_set 数据集来源 http://archive.ics.uci.edu/ml/datasets/Iris