https://huggingface.co/spaces/zhanyc10/crypto/resolve/main/tutorial/data/text_21.txt
hf download hf://spaces/zhanyc10/crypto/tutorial/data/text_21.txt
curl -L -o text_21.txt https://huggingface.co/spaces/zhanyc10/crypto/resolve/main/tutorial/data/text_21.txt
