【判断题】Medusa was beheaded by Perseus.
【简答题】For years I fought with the bird's nest that sat on top of my head-my Medusa(神话中的蛇发女妖) hair.No matter what I did and how hard I tried, in no way could I make my unruly (乱蓬蓬)hair to my satisfaction. Gr...
【单选题】Caput medusa is an important sign of ( ).
A.
intestinal obstruction
【单选题】下列选项中,关于groupby()方法说法不正确 的是( )
A.
分组键可以是列表或数组,但长度不需要与待分组轴的长度相同
B.
可以通过DataFrame中的列名的值进行分组