numpy 与 pandas
import numpy as nparr=np.array([1,2,3,4,5])arrarray([1, 2, 3, 4, 5])arr=np.array(['a','b',3,4,5])arrarray(['a', 'b', '3', '4', '5'], dtype='<U1'...
2021-11-30 00:07
阅读数 45
