每五个取一个:
>>> L[::5]
[0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95]
3.关于Numpy...(摘要):
a.关于随机生成数列:
>>> import numpy as np
>>> np.arange(60,80,5)
#以5为步从60...数组作为 列堆叠到2D数组中
array([[0],
[1],
[2],
[3],
[4],
[5],
[6],
[7]])
>>...数组作 为列堆叠到2D数组中
array([[0, 0],
[1, 1],
[2, 2],
[3, 3],
[4, 4],
[5, 5],
[...B.结合for循环和Response对象的iter_content()方法将下载的文件保存到硬盘
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图片发自简书App
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