fix: replace .chinese.md extension with .md

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

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+---
+id: 5e9a0a8e09c5df3cc3600ed6
+title: Initialize Array Problem
+challengeType: 11
+isHidden: false
+videoId: 0jGfH8BPfOk
+---
+
+## Description
+
+<section id='description'>
+</section>
+
+## Tests
+
+<section id='tests'>
+
+````yml
+question:
+  text: |
+    What is another way to produce the following array?
+
+    ```py
+    [[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:
+    - |
+      ```py
+      output = np.ones((5, 5))
+
+      z = np.zeros((3, 3))
+      z[1, 1] = 9
+
+      output[1:-1, 1:-1] = z
+      ```
+    - |
+      ```py
+      output = np.ones((5, 5))
+
+      z = np.zeros((3, 3))
+      z[1, 1] = 9
+
+      output[1:3, 1:3] = z
+      ```
+    - |
+      ```py
+      output = np.ones((5, 5))
+
+      z = np.zeros((3, 3))
+      z[1, 1] = 9
+
+      output[4:1, 4:1] = z
+      ```
+  solution: 1
+````
+
+</section>