To use a custom font in a Python visual in Power BI:

1. Install the font on your system.

2. Use Python libraries like matplotlib and set the font:

import matplotlib.pyplot as plt
plt.rcParams['font.family'] = 'YourCustomFontName'
plt.plot([1,2,3], [4,5,6])
plt.title('Chart with Custom Font')
plt.show()

3. Refresh the visual in Power BI Desktop.

Note: Custom fonts may not render in Power BI Service, so consider exporting the visual as an image if needed.

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