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id, title, challengeType, videoId, bilibiliIds, dashedName
id title challengeType videoId bilibiliIds dashedName
5e9a0a8e09c5df3cc3600ed7 复制数组警告 11 iIoQ0_L0GvA
aid bvid cid
633008569 BV1Bb4y127fb 409026161
copying-arrays-warning

--question--

--text--

运行以下代码后, a 的值是多少?

import numpy as np

a = np.array([1, 2, 3, 4, 5])
b = a
b[2] = 20

--answers--

[1 2 3 4 5]

[1 2 20 4 5]

[1 20 3 4 5]

--video-solution--

2