freeCodeCamp/curriculum/challenges/chinese/08-data-analysis-with-python/numpy/initialize-array-problem.md

id, challengeType, videoId

id	challengeType	videoId
5e9a0a8e09c5df3cc3600ed6	11	0jGfH8BPfOk

--question--

--text--

What is another way to produce the following array?

[[1. 1. 1. 1. 1.]
[1. 0. 0. 0. 1.]
[1. 0. 9. 0. 1.]
[1. 0. 0. 0. 1.]
[1. 1. 1. 1. 1.]]

--answers--

output = np.ones((5, 5))

z = np.zeros((3, 3))
z[1, 1] = 9

output[1:-1, 1:-1] = z

---

output = np.ones((5, 5))

z = np.zeros((3, 3))
z[1, 1] = 9

output[1:3, 1:3] = z

---

output = np.ones((5, 5))

z = np.zeros((3, 3))
z[1, 1] = 9

output[4:1, 4:1] = z

--video-solution--

1

--hints--

--solutions--