the little fish is so cute

Posted 2023-05-06

听独白, 听独白, 1.Where does the little fish live? A.In a bottle B.In a river. C.In the sea. 2.Which is not true? A.The little fish isn’t afraid of dark. B.The little fish has lots of friends. C.The little fish can’t play with her friends. 3.Why does the little fish usually feel happy? A.Because she can’t play with her friends. B.Because she can swim everywhere. C.Both A and B. 4.Why does the little fish’s mother often ask her to be careful? A.Because the river is dark. B.because the big fish may eat her. C.Because man may catch her. 5.Why will the little fish’s family leave their home? A.Because the water here is getting dirtier and dirtier. B.Because the food here becomes worse and worse. C.Both A and B.

参考技术A 1-BCCBC

UserWarning: Matplotlib is currently using agg, which is a non-GUI backend, so cannot show the figur

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>>> plt.show()

__main__:1: UserWarning: Matplotlib is currently using agg, which is a non-GUI backend, so cannot show the figure.

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原因：

发现发生在 coco.py 文件

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处理办法：

import matplotlib

>>> matplotlib.get_backend()

‘agg‘

>>> matplotlib.use(‘TkAgg‘)