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

問題描述 python中使用matplotlib包畫圖失敗 文件開頭導入matplotlib包python # 正負條形圖 import matplotlib.pyplot as plt import numpy as np 運行程序後報錯以下：web 引用文本 Matplotlib is currently using agg, which is a non-GUI backend, so ca

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