摘要: 1.python中三目运算 max = a if a>b else c if a>b: max = a else: max = c 2.dataframe添加一行 df.loc['new'] = ['duck', 10] 添加一列df['a'] = Series#series是一种类型 3 iter 阅读全文
posted @ 2021-02-08 17:02 FF_FF1 阅读(16) 评论(0) 推荐(0) 编辑