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本内容遵循CC 4.0 BY-SA版权协议 我的 Windows 开发环境较为复杂:Miniconda(多环境)、系统级 Python 3.14、MSYS2、uv/poetry 并存,IDE 为 PyCharm。某日,一个简单的手写数字识别脚本(MNIST + KNN + plt.show ...