Note how the black A is totally invisible on the black terminal, while the white H looks the same as normal text. If we chose a different color-scheme for our terminal, it would be the opposite:
Более 100 домов повреждены в российском городе-герое из-за атаки ВСУ22:53
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（作者为广东外语外贸大学首席专家、教授）
# In other words, without `call_soon_threadsafe`, a watcher