摘要:
转自:https://blog.csdn.net/sinat_29957455/article/details/82778306 https://www.jianshu.com/p/eab5268ded22 1.os.walk遍历目录 阅读全文
摘要:
1.np.repeat https://blog.csdn.net/u010496337/article/details/50572866/ import numpy as np a=np.array(([1,2],[3,4])) print(np.repeat(a,2)) #结果: [1 1 2 阅读全文