tests: Remove XSTC Python tests
「她們回國只能等死」：香港重病外傭的掙扎2025年4月14日
，这一点在搜狗输入法2026中也有详细论述
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# Solve myciel3 with 4 colours (should succeed, χ=4)
A new study shows that exposure to two specific 'forever chemicals' may accelerate biological aging, especially in middle-aged men. Researchers revealed a link between faster epigenetic aging, and two of these alternatives, PFNA and PFOSA, a precursor of PFOA.
· 王芳 · 来源：tutorial资讯